Ovulation Detection
Ovulation Induction
Ovarian Follicle
Gonadotropins, Equine
Ovary
Progesterone
Luteinizing Hormone
Estrus
Chorionic Gonadotropin
Ovulation Inhibition
Anovulation
Follicle Stimulating Hormone
Day-specific probabilities of clinical pregnancy based on two studies with imperfect measures of ovulation. (1/46)
Two studies have related the timing of sexual intercourse (relative to ovulation) to day-specific fecundability. The first was a study of Catholic couples practising natural family planning in London in the 1950s and 1960s and the second was of North Carolina couples attempting to become pregnant in the early 1980s. The former identified ovulation based on the ovulatory shift in the basal body temperature, while the latter used urinary assays of hormones. We use a statistical model to correct for error in identifying ovulation and to re-estimate the length of the fertile window and day-specific fecundabilities. We estimate the same 6-day fertile interval in both studies after controlling for error. After adjusting for error both data sets showed the highest estimate of the probability of pregnancy on the day prior to ovulation and both fell close to zero after ovulation. Given that the fertile interval is before ovulation, methods that anticipate ovulation by several days (such as the assessment of cervical mucus) would be particularly useful for couples who want to time their intercourse either to avoid or facilitate conception. (+info)Plasma LH and progesterone levels before and after ovulation and observation of ovarian follicles by ultrasonographic diagnosis system in dogs. (2/46)
Recently, canine frozen semen has been attracting attention for breeding purposes, and methods of judging ovulation and optimum timing for insemination have become important. As methods of predicting the canine ovulation, vaginal smear, plasma sex hormone levels and ultrasonographic diagnosis system (US) have been investigated in combination, but a standard technique has not yet been established. Therefore, we investigated a method of predicting canine ovulation in dogs by US, and by measuring plasma LH and progesterone (P) levels three times a day. Ovulation could be observed by detecting irregularly shaped ovarian follicles by US in six of 11 dogs (54.5%). In these dogs, the time between the LH peak and ovulation was 24-48 hr, 38.0 hr on average. The P level on the ovulation day was 1.88-2.81 ng/ml, 2.34 ng/ml on average. A value of 1.88 ng/ml was detected in one dog, but the other five dogs showed P levels of 2 ng/ml or higher. The P level on the day before ovulation was 0.8-1.56 ng/ml, 1.12 ng/ml on average. Assuming that ovulation occurred two days after the LH peak in the 11 experimental dogs, the P level was 2.12-4.06 ng/ml, 2.78 ng/ml on average. The period of a high LH level, not less than 10 ng/ml, continued for 12 hr around the LH peak. Based on these findings, to predict ovulation using US and LH level, it would be necessary for the tests to be performed several times a day. In contrast, it was shown that the day on which a plasma P level of 2 ng/ml or higher was detected by the test performed once a day corresponded to the ovulation day. (+info)Prediction of ovulation by urinary hormone measurements with the home use ClearPlan Fertility Monitor: comparison with transvaginal ultrasound scans and serum hormone measurements. (3/46)
The timing of sexual intercourse in relation to ovulation strongly influences the chance of conception. Daily serum LH measurements or transvaginal ultrasonography are not practical to determine ovulation in consecutive cycles for an individual. A prospective study was initiated to test the home use performance of the ClearPlan Fertility Monitor (CPFM) in ovulation prediction compared with transvaginal ultrasonography and serum hormone measurements. A total of 53 women aged 18-39 years with a normal uterus and at least one ovary, cycle length between 21-42 days and not using medication which interferes with ovarian function contributed 150 cycles for analysis. One cycle was anovulatory and no LH surge, indicating peak fertility, was detected by the monitor. Of the remaining 149 cycles, 135 (90.6%) had a monitor LH surge and ultrasonographically confirmed ovulation. Ovulation was detected in 91.1% of cycles during the 2 days of CPFM peak fertility. Ovulation was observed in 51.1% of cycles 1 day and in 43.2% of cycles 2 days after the surge in serum LH. Ovulation never occurred before CPFM peak fertility or the serum LH surge day. CPFM can help women who desire pregnancy to time intercourse. It may also have potential as a diagnostic aid and for monitoring the treatment of infertility. (+info)Transfer of canine embryos at various developmental stages recovered by hysterectomy or surgical uterine flushing. (4/46)
In dogs, embryo transfer (ET) techniques such as induciton of excessive ovulation and synchronization of estrus have not progressed well. Therefore, using embryos at various developmental stages, ET was investigated in dogs from a beagle colony in which the ovulation days were close, as estimated by the progesterone level. Embryos were, recovered 8-11 days after ovulation (4-9 days after mating) by excising the oviducts and uteri (excision method) in 16 animals and by surgical flushing of the uteri at laparotomy (surgical method) in 3 animals. In 24 dogs with -4 to +2 days of difference in the timing of ovulation between donor and recipient dogs, 1-10 embryos at the 8-cell to blastocyst stages were transferred per animal. The mean embryo recovery rate by the excision method (97.1%) was significantly higher than that by the surgical method (42.5%) (p<0.01). Twelve (57.1%) of 21 animals with -1 to +2 days difference in ovulation day became pregnant after the transfer of 8-cell to blastocyst stage embryos. Although 3 dogs with -4 to -2 days of difference of ovulation day underwent ET of morula or compacted morula, none of these dogs became pregnant. The mean ratio of the number of newborns to the number of transferred embryos was only 51.9%. The mean duration of the period between ovulation and delivery in the pregnant recipients was 65.8 days, which tended to be longer than that in natural mating. These results demonstrate that pregnancy can be induced by ET at the 8-cell to blastocyst stage in dogs with -1 to +2 days difference in ovulation day. (+info)Prediction of the potentially fertile period by urinary hormone measurements using a new home-use monitor: comparison with laboratory hormone analyses. (5/46)
BACKGROUND: The study compared a new urinary hormone monitoring system, Clearview Primera Fertility Monitor (CPFM), with laboratory hormone analyses in the prediction of the potentially fertile period. METHODS: Thirty healthy female volunteers provided blood and early morning urine samples for one cycle. Serum oestradiol, progesterone and luteinizing hormone (LH), and urinary LH and oestrone-3-glucuronide (E3G) were measured. The fertility status of volunteers; Low, High or Peak, was collected from monitors and compared with the hormone measurements. RESULTS: There was agreement between the first day of peak fertility and the urinary LH peak day in 65.6% of cycles and detection 1 or 2 days before the urinary LH peak day in 24.1 and 6.9% of cycles respectively. In 58.6% of cycles the system detected up to 5 days of increased fertility prior to the urinary LH peak day. Warning days of the urinary LH peak were similarly determined using defined thresholds of E3G and oestradiol providing up to 5 days warning in 82.8 and 96.6% of cycles respectively. CONCLUSIONS: The system can provide couples attempting to conceive with information about the potentially fertile days in the cycle in order that they may time intercourse. It also has potential for use in evaluation and treatment of infertile couples. (+info)The relationship between cervical secretions and the daily probabilities of pregnancy: effectiveness of the TwoDay Algorithm. (6/46)
BACKGROUND: The TwoDay Algorithm is a simple method for identifying the fertile window. It classifies a day as fertile if cervical secretions are present on that day or were present on the day before. This approach may be an effective alternative to the ovulation and symptothermal methods for populations and programmes that find current natural family planning methods difficult to implement. METHODS: We used data on secretions from a large multinational European fecundability study to assess the relationship between the days predicted to be potentially fertile by the TwoDay Algorithm and the day-specific probabilities of pregnancy based on intercourse patterns in 434 conception cycles from the study. RESULTS: The days around ovulation that had the highest fecundability were the days most likely to be classified as fertile by the TwoDay Algorithm. In addition, intercourse on a particular day in the fertile interval was twice as likely to result in a pregnancy if cervical secretions were present on that day or the day before. CONCLUSIONS: The TwoDay Algorithm is effective, both in identifying the fertile days of the cycle and in predicting days within the fertile interval that have a high pregnancy rate. Our data provide the first direct evidence that cervical secretions are associated with higher fecundability within the fertile window. (+info)Assessing menstrual cycles with urinary hormone assays. (7/46)
The Study of Women's Health Across the Nation (SWAN) is a multiethnic cohort study of middle-aged women enrolled at seven US sites. A subset of 848 women completed a substudy in which their urinary gonadotropins and sex steroid metabolites were assessed during one complete menstrual cycle or up to 50 consecutive days. Urine was analyzed for LH, FSH, estrone conjugates (E1c), and pregnanediol glucuronide (Pdg). To prepare for serial analysis of this large, longitudinal database in a population of reproductively aging women, we examined the performance of algorithms designed to identify features of the normal menstrual cycle in midreproductive life. Algorithms were based on existing methods and were compared with a "gold standard" of ratings of trained observers on a subset of 396 cycles from the first collection of Daily Hormone Substudy samples. In evaluating luteal status, overall agreement between and within raters was high. Only 17 of the 396 cycles evaluated were considered indeterminate. Of the 328 cycles rated as containing evidence of luteal activity (ELA), 320 were considered ELA by use of a Pdg threshold detection algorithm. Of 51 cycles that were rated as no evidence of luteal activity, only 2 were identified by this algorithm as ELA. Evaluation of the day of the luteal transition with methods that detected a change in the ratio of E1c to Pdg provided 85-92% agreement for day of the luteal transition within 3 days of the raters. Adding further conditions to the algorithm increased agreement only slightly, by 1-8%. We conclude that reliable, robust, and relatively simple objective methods of evaluation of the probability and timing of ovulation can be used with urinary hormonal assays in early perimenopausal women. (+info)Estimated maximum failure rates of cycle monitors using daily conception probabilities in the menstrual cycle. (8/46)
BACKGROUND: A number of menstrual cycle monitors have been developed to detect the fertile window of the menstrual cycle, mainly for contraceptive purposes. Reliable data on most of these systems are still missing but are urgently needed because many women use them and the tested systems differ enormously in price and effectiveness. We suggest a new efficacy estimating method to evaluate cycle monitors prior to full prospective clinical trials. METHODS: Sixty-two women prospectively tested seven cycle monitors and the symptothermal method (STM) of natural family planning (NFP) but not more than two different systems at the same time. The clinical fertile window was determined by detecting the day of ovulation using daily urinary LH measurements and daily ultrasonic folliculometry. This was compared to the fertile phase predicted by the systems. Maximum failure rates were estimated for each cycle monitor and the STM, using the daily conception probability rates taken from the European Fecundability Study. Intercourse was assumed to occur on each of all falsely predicted days of infertility. RESULTS: Sixty-two women with a mean age of 31 years (range: 21-42 years) contributed a total of 122 cycles to this study. Monitors based on the microscopic evaluation of saliva or mucus had many more false infertile days than the other methods based on temperature or hormonal measurements (225 versus 42 days). The maximum unintended pregnancy rates per cycle for temperature computers were estimated to be 0.0134-0.0336, for the hormonal computer 0.1155 and for mini-microscopes 0.2313-0.2369. For the STM of NFP, there were no false infertile days. CONCLUSIONS: The STM of NFP proved to be the most effective contraceptive method to detect the fertile window among all the methods tested. The estimated efficacy of the other cycle monitors range from the temperature computers (upper level) to the hormonal computer (medium level) and the mini-microscopes with very low estimated contraceptive efficacy. (+info)Ovulation detection refers to the process of identifying the time period during which an ovary releases an oocyte (mature egg) from its follicle, ready for fertilization. This is a crucial aspect of reproductive health and assisted reproduction technologies (ART), such as in vitro fertilization (IVF).
There are several methods to detect ovulation, including:
1. Ovulation Predictor Kits (OPKs): These are home-use test kits that detect the surge of luteinizing hormone (LH) in urine, which occurs 24-36 hours prior to ovulation.
2. Basal Body Temperature (BBT) Charting: This involves tracking and recording daily basal body temperature (the lowest temperature attained by the body during rest), as it tends to rise slightly after ovulation due to increased progesterone levels.
3. Hormonal Monitoring: Blood tests can be used to measure hormone levels, such as estrogen and progesterone, throughout a menstrual cycle to detect ovulation.
4. Transvaginal Ultrasound: This imaging technique is often used in clinical settings to monitor follicular development and determine the exact time of ovulation by observing changes in the ovarian follicle and endometrial lining.
5. Saliva Ferning Tests: A microscope is used to examine the patterns formed by dried saliva, which can indicate increased estrogen levels prior to ovulation.
Accurate ovulation detection helps individuals or couples trying to conceive optimize their chances of success and provides valuable information for healthcare providers in managing reproductive health issues.
Ovulation induction is a medical procedure that involves the stimulation of ovulation (the release of an egg from the ovaries) in women who have difficulties conceiving due to ovulatory disorders. This is typically achieved through the use of medications such as clomiphene citrate or gonadotropins, which promote the development and maturation of follicles in the ovaries containing eggs. The process is closely monitored through regular ultrasounds and hormone tests to ensure appropriate response and minimize the risk of complications like multiple pregnancies. Ovulation induction may be used as a standalone treatment or in conjunction with other assisted reproductive technologies (ART), such as intrauterine insemination (IUI) or in vitro fertilization (IVF).
An ovarian follicle is a fluid-filled sac in the ovary that contains an immature egg or ovum (oocyte). It's a part of the female reproductive system and plays a crucial role in the process of ovulation.
Ovarian follicles start developing in the ovaries during fetal development, but only a small number of them will mature and release an egg during a woman's reproductive years. The maturation process is stimulated by hormones like follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
There are different types of ovarian follicles, including primordial, primary, secondary, and tertiary or Graafian follicles. The Graafian follicle is the mature follicle that ruptures during ovulation to release the egg into the fallopian tube, where it may be fertilized by sperm.
It's important to note that abnormal growth or development of ovarian follicles can lead to conditions like polycystic ovary syndrome (PCOS) and ovarian cancer.
Equine Gonadotropins are glycoprotein hormones derived from the pituitary gland of horses. They consist of two subunits: a common alpha subunit and a unique beta subunit that determines the biological activity of each hormone. There are two main types of equine gonadotropins: Equine Follicle Stimulating Hormone (eFSH) and Equine Luteinizing Hormone (eLH).
eFSH plays a crucial role in the growth and development of ovarian follicles in females, while eLH stimulates ovulation and the production of sex steroids in both males and females. These hormones are often used in veterinary medicine to induce ovulation and improve fertility in horses, as well as in research to study the physiology and biochemistry of gonadotropins and reproduction. It's important to note that equine gonadotropins have limited application in human reproductive medicine due to potential immunogenic reactions and other safety concerns.
An ovary is a part of the female reproductive system in which ova or eggs are produced through the process of oogenesis. They are a pair of solid, almond-shaped structures located one on each side of the uterus within the pelvic cavity. Each ovary measures about 3 to 5 centimeters in length and weighs around 14 grams.
The ovaries have two main functions: endocrine (hormonal) function and reproductive function. They produce and release eggs (ovulation) responsible for potential fertilization and development of an embryo/fetus during pregnancy. Additionally, they are essential in the production of female sex hormones, primarily estrogen and progesterone, which regulate menstrual cycles, sexual development, and reproduction.
During each menstrual cycle, a mature egg is released from one of the ovaries into the fallopian tube, where it may be fertilized by sperm. If not fertilized, the egg, along with the uterine lining, will be shed, leading to menstruation.
Progesterone is a steroid hormone that is primarily produced in the ovaries during the menstrual cycle and in pregnancy. It plays an essential role in preparing the uterus for implantation of a fertilized egg and maintaining the early stages of pregnancy. Progesterone works to thicken the lining of the uterus, creating a nurturing environment for the developing embryo.
During the menstrual cycle, progesterone is produced by the corpus luteum, a temporary structure formed in the ovary after an egg has been released from a follicle during ovulation. If pregnancy does not occur, the levels of progesterone will decrease, leading to the shedding of the uterine lining and menstruation.
In addition to its reproductive functions, progesterone also has various other effects on the body, such as helping to regulate the immune system, supporting bone health, and potentially influencing mood and cognition. Progesterone can be administered medically in the form of oral pills, intramuscular injections, or vaginal suppositories for various purposes, including hormone replacement therapy, contraception, and managing certain gynecological conditions.
Luteinizing Hormone (LH) is a glycoprotein hormone, which is primarily produced and released by the anterior pituitary gland. In women, a surge of LH triggers ovulation, the release of an egg from the ovaries during the menstrual cycle. During pregnancy, LH stimulates the corpus luteum to produce progesterone. In men, LH stimulates the testes to produce testosterone. It plays a crucial role in sexual development, reproduction, and maintaining the reproductive system.
Estrus is a term used in veterinary medicine to describe the physiological and behavioral state of female mammals that are ready to mate and conceive. It refers to the period of time when the female's reproductive system is most receptive to fertilization.
During estrus, the female's ovaries release one or more mature eggs (ovulation) into the fallopian tubes, where they can be fertilized by sperm from a male. This phase of the estrous cycle is often accompanied by changes in behavior and physical appearance, such as increased vocalization, restlessness, and swelling of the genital area.
The duration and frequency of estrus vary widely among different species of mammals. In some animals, such as dogs and cats, estrus occurs regularly at intervals of several weeks or months, while in others, such as cows and mares, it may only occur once or twice a year.
It's important to note that the term "estrus" is not used to describe human reproductive physiology. In humans, the equivalent phase of the menstrual cycle is called ovulation.
Chorionic Gonadotropin (hCG) is a hormone that is produced during pregnancy. It is produced by the placenta after implantation of the fertilized egg in the uterus. The main function of hCG is to prevent the disintegration of the corpus luteum, which is a temporary endocrine structure that forms in the ovary after ovulation and produces progesterone during early pregnancy. Progesterone is essential for maintaining the lining of the uterus and supporting the pregnancy.
hCG can be detected in the blood or urine as early as 10 days after conception, and its levels continue to rise throughout the first trimester of pregnancy. In addition to its role in maintaining pregnancy, hCG is also used as a clinical marker for pregnancy and to monitor certain medical conditions such as gestational trophoblastic diseases.
Ovulation inhibition is a term used in reproductive medicine to describe the prevention or delay of ovulation, which is the release of a mature egg from the ovaries during the menstrual cycle. This can be achieved through various means, such as hormonal contraceptives (birth control pills, patches, rings), injectable hormones, or intrauterine devices (IUDs) that release hormones.
Hormonal contraceptives typically contain synthetic versions of the hormones estrogen and progestin, which work together to inhibit the natural hormonal signals that trigger ovulation. By suppressing the surge in luteinizing hormone (LH) and follicle-stimulating hormone (FSH), these methods prevent the development and release of a mature egg from the ovaries.
In addition to preventing ovulation, hormonal contraceptives can also thicken cervical mucus, making it more difficult for sperm to reach the egg, and thin the lining of the uterus, reducing the likelihood of implantation in case fertilization does occur. It is important to note that while ovulation inhibition is a reliable method of birth control, it may not provide protection against sexually transmitted infections (STIs).
Anovulation is a medical condition in which there is a failure to ovulate, or release a mature egg from the ovaries, during a menstrual cycle. This can occur due to various reasons such as hormonal imbalances, polycystic ovary syndrome (PCOS), premature ovarian failure, excessive exercise, stress, low body weight, or certain medications. Anovulation is common in women with irregular menstrual cycles and can cause infertility if left untreated. In some cases, anovulation may be treated with medication to stimulate ovulation.
Follicle-Stimulating Hormone (FSH) is a glycoprotein hormone secreted and released by the anterior pituitary gland. In females, it promotes the growth and development of ovarian follicles in the ovary, which ultimately leads to the maturation and release of an egg (ovulation). In males, FSH stimulates the testes to produce sperm. It works in conjunction with luteinizing hormone (LH) to regulate reproductive processes. The secretion of FSH is controlled by the hypothalamic-pituitary-gonadal axis and its release is influenced by the levels of gonadotropin-releasing hormone (GnRH), estrogen, inhibin, and androgens.
Superovulation, also known as controlled ovarian stimulation (COS), refers to the process of inducing the development and release of multiple mature ova (eggs) from the ovaries during a single reproductive cycle. This is achieved through the administration of exogenous gonadotropins or other fertility medications, which stimulate the ovarian follicles to grow and mature beyond the normal number. Superovulation is commonly used in assisted reproductive technologies (ART) such as in vitro fertilization (IVF) to increase the chances of successful conception by obtaining a larger number of ova for fertilization and embryo transfer.
Fertility10
- Fairhaven Health Fertile Focus Ovulation Test Kit, Women's Fertility Monitor, Tracer and Predictor 3. (searchwellness.com)
- While most ovulation predictors only give you a fertile window of up to 2 days, these can show 6-7 days of potential fertility for each cycle. (webmd.com)
- Fertility monitors give you more days to try to conceive, and they give a more accurate day of ovulation. (webmd.com)
- Peak Campbell, KL (1985) Monitoring ovarian function and predicting ovulation: summary of a meeting, Research Frontiers in Fertility Regulation 3:1-16. (slideserve.com)
- There is no foolproof method to predict the fertility window and ovulation day, as it is unique to each woman. (momjunction.com)
- The momjunction ovulation calculator gives you the tentative dates of your fertility window when you type in your LMP (last menstrual period) and average cycle length. (momjunction.com)
- It will help you know the most fertile days, ovulation date and fertility calendar for 6 consecutive months. (momjunction.com)
- The Lady-Comp Fertility Monitor is the most accurate ovulation predictor on the market. (storkmama.com)
- Galaxy Watch4 Classic helps women build a deeper connection with their bodies and their health by helping to log and track fertility windows, ovulation cycles and periods. (bestbuy.com)
- Clearblue ® pregnancy, fertility and ovulation products are developed with leading healthcare experts and Clearblue ® is the #1 OB-GYN Recommended ovulation brand. (streetinsider.com)
Retrospective1
- Enables retrospective ovulation estimates and advanced cycle tracking features. (prestigioplaza.com)
Progesterone2
- Mean ± SD serum progesterone concentration for 13 mares at 5 and 12 days after ovulation following administration of flunixin meglumine or lactated Ringer solution (placebo treatment) during 33 estrus cycles in which they became pregnant (gray bars) and 10 estrus cycles in which they did not become pregnant (black bars). (avma.org)
- Dot plots of maximum follicular diameter and number of days from treatment until ovulation (A) and serum progesterone concentration 5 days after ovulation and maximum follicular diameter (B) for 45 estrus cycles of 13 mares that received flunixin meglumine or lactated Ringer solution (placebo treatment) at the time of estrus. (avma.org)
Basal body temper3
- Zhu T, Rothenbühler M, Hamvas G, Hofmann A, Welter J, Kahr M, Kimmich N, Shilaih M, Leeners B. The Accuracy of Wrist Skin Temperature in Detecting Ovulation Compared to Basal Body Temperature: Prospective Comparative Diagnostic Accuracy Study. (jmir.org)
- B. S. H, K. D, R. C. M, T. G. K, A. P. Novel Technique for Confirmation of the Day of Ovulation and Prediction of Ovulation in Subsequent Cycles Using a Skin-Worn Sensor in a Population With Ovulatory Dysfunction: A Side-by-Side Comparison With Existing Basal Body Temperature Algorithm and Vaginal Core Body Temperature Algorithm. (jmir.org)
- Basal body temperature thermometers are specifically designed to track ovulation. (storkmama.com)
Menstrual cycle7
- This should allow for ovulation tracking since body temperature changes over the course of the menstrual cycle and rises in response to ovulation. (theverge.com)
- Then, by modeling the data, they found that the average duration and range of the follicular phase, which begins the menstrual cycle and ends at ovulation, were larger than previously reported. (sciencedaily.com)
- Ovulation is the process wherein the ovary releases a mature egg during every menstrual cycle. (momjunction.com)
- Ovulation is the most fertile stage of a menstrual cycle and is therefore essential for you to know about the ovulation days to conceive or avoid pregnancy. (momjunction.com)
- Ovulation is likely to happen on the 14th day if you have a typical 28-day menstrual cycle ( 1 ). (momjunction.com)
- Tracking your menstrual cycle for at least three months will help you identify the ovulation day. (momjunction.com)
- In addition, the likelihood of ovulation is low from days 1-7 of the menstrual cycle ( 21 ). (cdc.gov)
Average 28-day cycle1
- During an average 28-day cycle, ovulation generally occurs during days 9-20 ( 20 ). (cdc.gov)
Conceive3
- Use our ovulation tests to identify your "LH Surge"-the time you're most likely to conceive. (fairhavenhealth.com)
- As any trying-to-conceive couple knows, when it comes to ovulation and pregnancy tests, it's not a "one-or-the-other" scenario - you need them both! (fairhavenhealth.com)
- If you're trying to conceive an ovulation kit can help you pinpoint your fertile window. (storkmama.com)
Early-detection pregnancy test2
- You can try the online early detection pregnancy test . (americanceliac.org)
- Was it an early detection pregnancy test you used? (babycentre.co.uk)
Crash Detection5
- The standout features include fall detection and crash detection which could potentially be a lifesaver for you. (digitaltrends.com)
- The entire series is powered by the iOS 16 update which brings innovative features like a customizable Lock Screen and more, it supports the new groundbreaking safety features: Emergency SOS via satellite and Crash Detection. (ithinkdiff.com)
- Explore new features like faster charging time, crash detection, faster reaction speed, and IP6X dust resistance. (staples.ca)
- The biggest upgrade on the new SE is the addition of the crash detection feature that is enabled when the user is driving in a vehicle, made available with the new S8 chip. (staples.ca)
- This watch also features crash detection and a new temperature sensor that can monitor your temperature at all times. (staples.ca)
Known as ovulation2
- Also known as ovulation spotting/intermenstrual bleeding/ or spotting during ovulation. (americanceliac.org)
- LH urine tests are commonly known as ovulation tests, and can often be bought over the counter. (ada.com)
Cycle8
- Ovulation happens halfway through your cycle. (webmd.com)
- This type of temperature-based cycle tracking and ovulation detection is also often used as a way to prevent pregnancy. (theverge.com)
- In fact, the modeling showed that only 24% of ovulations occur at days 14 to 15 of the cycle. (sciencedaily.com)
- By using our ovulation calculator, know your fertile window based on the last menstrual period and average cycle length. (momjunction.com)
- Ovulation spotting can be useful for women with a normal cycle. (americanceliac.org)
- This is a crucial element of the female reproductive cycle, as it directly results in ovulation - the release of an egg from the now mature follicle. (ada.com)
- Women with long or irregular cycles may need to use more ovulation tests in one cycle than someone with a regular cycle. (fairhavenhealth.com)
- Tracking temperature overnight is especially helpful for women as it can give insight into one's ovulation cycle. (staples.ca)
Ovarian3
- Monitoring Ovarian Function and Predicting Ovulation Family Health International, Research Triangle Park, NC 12 - 15 Nov. 1984, K. Campbell & W. Collins, Co - Chairs Predictors of ovulation & the fertile period have not changed much in 20 years. (slideserve.com)
- Ovarian ultrasonography was performed at 12 h intervals from device removal to ovulation. (scielo.br)
- In conclusion, although social hierarchy influenced the time of EO, the ovarian parameters, including ovulation, were not affected. (scielo.br)
Detect ovulation1
- Similar to a pregnancy test that detect ovulation hormones in your urine. (storkmama.com)
Predictor kits2
- The most accurate way to time the insemination is by using ovulation predictor kits (OPK), or by administration of an HCG injection to trigger the ovulation event. (pacificfertilitycenter.com)
- Ovulation predictor kits have been evaluated and the kit we recommend is the Clear Blue Easy ovulation kit. (pacificfertilitycenter.com)
Follicle2
- Although it is well known that the ovulation occurs during a period of time after LH surge in dogs, there are few reports of observing the entire process of development, ovulation, and luteinization of each follicle. (computablegenomix.com)
- Although ovulation (release of the egg from the follicle on the ovary) usually occurs 23--48 hours after the onset of estrus, this event is extremely variable. (missouri.edu)
Urine1
- The Clearblue Digital Ovulation Test is the best option if you struggle to interpret urine test results. (storkmama.com)
Emergency SOS1
- On top of that, it has crash and fall detection as well as an emergency SOS facility in case of a problem. (digitaltrends.com)
Luteinizing hormone1
- Ovulation is triggered by the surge in luteinizing hormone (LH). (momjunction.com)
Occurs1
- This results in errors as to when ovulation actually occurs leading to missed cycles and increased labor and animal costs. (thepigsite.com)
Fertile Time1
- The BFP Ovulation Test identifies your most fertile time of month to increase your odds of conceiving. (fairhavenhealth.com)
Lasts2
- Ovulation lasts for 12 to 24 hours, the time when the egg is available for fertilization. (momjunction.com)
- It begins up to 5 days before ovulation, and lasts for around a week. (ada.com)
Sperm5
- Because sperm will survive for some time inside of you, they'll be ready to join the egg during ovulation. (webmd.com)
- It is counted from five days before ovulation because sperm can survive in the woman's body for three to five days. (momjunction.com)
- Improvements in sperm analysis and ovulation detection for animal breeding are two of the most important ways to meet the critical need for more edible protein. (thepigsite.com)
- Two studies have addressed this best, and indicate that the critical components that will provide comparable pregnancy rates are the performance of an intrauterine insemination (IUI), accurate timing of the insemination (relative to the ovulation event), and adequate concentration of sperm inseminated (called total motile count=TMC) (3, 4). (pacificfertilitycenter.com)
- The best timing for an intrauterine insemination using frozen sperm is within 24-48 hours after a positive LH surge as detected by an Ovulation Predictor kit. (pacificfertilitycenter.com)
Estrus detection4
- On top of that, estrus detection is a very labor-intensive and time-consuming procedure, resulting in people checking for heat detection only once a day. (thepigsite.com)
- The main condition for the success of artificial insemination within cattle is the heat (or estrus) detection. (springer.com)
- Gaude I, Kempf A, Strüve KD, Hoedemaker M (2021) Estrus signs in holstein friesian dairy cows and their reliability for ovulation detection in the context of visual estrus detection. (springer.com)
- Higaki S, Horihata K, Suzuki C, Sakurai R, Suda T, Yoshioka K (2021) Estrus detection using background image subtraction technique in tie-stalled cows. (springer.com)
Estradiol1
- Elevated levels of estradiol in the body can trigger ovulation bleeding. (americanceliac.org)
Surge1
- First detection of an LH surge is most likely to occur in the morning, and our recommendation is to do one test/day, in the morning (5). (pacificfertilitycenter.com)
20191
- Guo Y, Zhang Z, He D, Niu J, Tan Y (2019) Detection of cow mounting behavior using region geometry and optical flow characteristics. (springer.com)
Behavior3
- Analyzing data from 200,000 users of the apps Sympto and Kindara, they have been able to make population-level observations regarding user demographics, tracking behavior patterns and accuracy in measuring menstrual health and ovulation. (sciencedaily.com)
- Observe cows away from the feed bunk so feeding behavior does not interfere with heat detection. (msucares.com)
- These include tail paint, Kamar Heatmount Detectors, Estrotect Heat Detectors, Bovine Beacon, tail head markers, chin-ball markers, and the HeatWatch II System, an electronic detection system that records mounting behavior. (msucares.com)
Implantation3
- Spotting after ovulation may be implantation bleeding, which is an indicator that you may be pregnant. (americanceliac.org)
- This type of bleeding can occur 9 days after the implantation of the fertilized egg, or 6-12 days after ovulation. (americanceliac.org)
- Implantation may be confused with ovulation bleeding. (americanceliac.org)
Onset2
- Upon estrus onset (EO) detection, the goats were immediately removed from the pens. (scielo.br)
- Heat detection can also be used to monitor onset of puberty in heifers, regularity of estrous cycles in breeding age females, and breeding effectiveness of natural service sires via returns to heat in the cow herd. (msucares.com)
Occur1
- After a spontaneous or an induced abortion, ovulation can occur within 2-3 weeks and has been found to occur as early as 8-13 days after the end of the pregnancy. (cdc.gov)
ACCURATE4
- Second, to find out if these records allow an accurate detection and estimation of ovulation timing. (sciencedaily.com)
- Buy our accurate, easy to use BFP pregnancy and ovulation tests in a value pack so that you can test as often as you want. (fairhavenhealth.com)
- Verility, a woman-owned, high-tech startup, is commercializing technology that provides rapid, low-cost and accurate assessment of livestock semen and ovulation samples. (thepigsite.com)
- Verility LLC develops and markets patented technologies that use proprietary machine learning frameworks for rapid, low-cost and accurate assessment of livestock semen and ovulation samples. (thepigsite.com)
Contraceptive2
- Estrogens mediate their contraceptive effects in combination with progestins by inhibiting ovulation. (wikipedia.org)
- The contraceptive effects of estrogens are mediated by their antigonadotropic effects and hence by inhibition of ovulation. (wikipedia.org)
Symptoms2
- What Are Ovulation Symptoms? (webmd.com)
- You can either use a calculator or look for signs and symptoms of ovulation . (momjunction.com)
Days9
- Basic patterns of hormones & early embryonic stages There have been few markers for ovulation & the first 10 post-ovulatory days. (slideserve.com)
- You are most fertile three days before ovulation, and on the ovulation day itself. (momjunction.com)
- These are five days before ovulation, and the ovulation day itself. (momjunction.com)
- Ovulation spotting tends to be mild, short (can last up to 2 days), and involves a little dark brown or pinkish blood. (americanceliac.org)
- If you regularly get ovulation spotting, then you can use it to identify your fertile days. (americanceliac.org)
- An ovulation predictor kit or OPK can indicate precisely or give an estimation of a few days. (storkmama.com)
- Therefore, the likelihood of ovulation is low ≤7 days after an abortion ( 22 - 24 ). (cdc.gov)
- A systematic review reported that the mean day of first ovulation among postpartum nonlactating women occurred 45-94 days after delivery ( 25 ). (cdc.gov)
- In one study, the earliest ovulation was reported at 25 days after delivery. (cdc.gov)
Heat detection14
- Heat detection is critical to heat synchronization and breeding programs, particularly artificial insemination and embryo transfer programs. (msucares.com)
- Effective heat detection is often the most limiting factor in an artificial insemination program. (msucares.com)
- Heat detection efficiency (rate) is the percentage of eligible cows seen or detected in heat. (msucares.com)
- A heat detection rate of 80 to 85 percent should be attainable. (msucares.com)
- Several methods of heat detection can be implemented. (msucares.com)
- Some involve using heat detection aids. (msucares.com)
- Several different methods can be combined to improve heat detection rates and accuracy. (msucares.com)
- Visual observation is a commonly used method of heat detection. (msucares.com)
- Space heat detection observation times evenly over 24 hours. (msucares.com)
- Heat detection aids differ in their application method, detection method, cost per animal, and detection accuracy. (msucares.com)
- Detector (teaser) animals can also assist in heat detection. (msucares.com)
- In this context, several cow heat detection systems have been recently proposed in the literature to assist the farmer in this task. (springer.com)
- In this paper, we present a new vision system for cow heat detection which is based on the analysis of the genital tract of the cow. (springer.com)
- The conducted tests on a smart-phone shows that our heat detection system has a response time of a few seconds. (springer.com)
Test7
- Fairhaven Health Fertile Focus Ovulation Test Kit, Womens Fertil. (searchwellness.com)
- The BFP Midstream Test Little Bundle includes 15 ovulation tests and 5 early-detection pregnancy tests. (fairhavenhealth.com)
- Fairhaven Health understands this, and that's why we created the BFP Ovulation and Pregnancy Test Combo Pack. (fairhavenhealth.com)
- Learn more about the BFP Ovulation Test. (fairhavenhealth.com)
- Complete BFP Ovulation & Pregnancy Test instructions. (fairhavenhealth.com)
- For a very affordable option we highly recommend the Easy@Home Ovulation Test Strips . (storkmama.com)
- However, pregnancy detection rates can vary widely because of differences in test sensitivity and the timing of testing relative to missed menses ( 30 , 32 ). (cdc.gov)
Concentration1
- Hart said Fertile-Eyez is a cloud-based mHealth, or mobile health, technology that can provide immediate animal-side testing by rapidly analyzing semen for morphology, motility and concentration along with saliva ferning for ovulation detection. (thepigsite.com)
Likelihood1
- More frequent observation of cattle for heat improves detection accuracy and increases the likelihood of recognizing the optimal time for breeding cattle, particularly in cattle in which heat is less intense or shorter in duration. (msucares.com)
Pregnant2
- Apple is pitching its ovulation detection feature as a way to help people who are trying to get pregnant. (theverge.com)
- Bleeding during Ovulation: Am I Pregnant? (americanceliac.org)
Trigger2
- However, they can trigger ovulation spotting. (americanceliac.org)
- There are instances where sexual intercourse can trigger ovulation spotting. (americanceliac.org)
Insight1
- It can now monitor your temperature providing you with ovulation insight retroactively. (digitaltrends.com)
Time2
- While these measurements and observations are noisy and not perfectly regular, they provide valuable information for inferring the underlying hormonal changes and timing of ovulation in a way that is scalable both in time and in number of participants. (sciencedaily.com)
- Twice-daily estrous detection is more effective than once-daily detection, although it is also more time- and labor-consuming. (missouri.edu)
Happen3
Algorithms1
- refined algorithms for using E1G/PdG ratios as indices for ovulation, the fertile period, establishment of pregnancy, & continuation of pregnancy. (slideserve.com)
20211
- Cho Hc (2021) Identifying the mating posture of cattle using deep learning-based object detection with networks of various settings. (springer.com)
Ovaries1
- During ovulation, an egg is released from the ovaries and moves through the fallopian tubes. (americanceliac.org)
Pregnancy tests1
- This bundle contains 15 ovulation tests and 5 pregnancy tests. (fairhavenhealth.com)
Tests1
- Save on BFP Pregnancy & Ovulation Tests. (fairhavenhealth.com)
Period1
- concentrations usually range from just above the detection limit of approximately 0.03 to 0.20-0.32 µg/m3 during the application period. (cdc.gov)
Track1
- A better way to track your ovulation is through a calculator. (momjunction.com)