Semen quality. Medical search. Frequent questions

In order to guarantee the highest level of fertility from a stallion, semen parameters should be regularly checked by performing a strict post-thaw quality control on each batch of semen that is processed for freezing. (ivis.org)
Measurement errors were estimated based on data from participating laboratories in the External Quality Program (PEEC) led by the Argentine Biochemistry Foundation using the "Analytical Quality Minimum Specifications" model established in Spain for other biochemical collection parameters. (degruyter.com)
Reduced parameters in human semen quality are positively associated with As exposure in a reproductive-age Chinese cohort. (biomedcentral.com)
Main Outcomes and Measures: The co-primary outcomes were live birth (resulting from pregnancies occurring within 9 months of randomization) and semen quality parameters (sperm concentration, motility, morphology, volume, DNA fragmentation, and total motile sperm count) at 6 months after randomization. (northwestern.edu)
Most of the semen quality parameters (sperm concentration, motility, morphology, volume, and total motile sperm count) were not significantly different between treatment groups at 6 months after randomization. (northwestern.edu)
Our quality standards for X-Vik semen production were set as a result of one of the largest insemination trials in the world, where semen quality parameters were correlated to field fertility results obtained from nearly 200,000 inseminations . (vikinggenetics.uk)
In our study almost half of the men had one or more semen parameters below the World Health Organization reference limits. (eurekalert.org)
The findings had been statistically vital suggesting "COVID-19 negatively impacts semen parameters, together with sperm DNA fragmentation index," the authors famous. (healthnewsdailydigest.com)
Semen high quality is decided by the evaluation of parameters akin to sperm focus, whole sperm rely, sperm motility and sperm morphology. (anticancerhealth.com)
In collaboration with the Swiss Tropical and Public Well being Institute (Swiss TPH), scientists studied the affiliation between semen parameters of 2886 males and their use of cell phones. (anticancerhealth.com)
Knowledge evaluation additionally appears to point out that the place of the cellphone-for instance, in a trouser pocket-was not related to decrease semen parameters. (anticancerhealth.com)
STUDY QUESTION: What are the relations among birthweight (BW), semen parameters and birth outcomes in a population-based sample? (albany.edu)
SUMMARY ANSWER: BW is unrelated to semen parameters, which are in turn unrelated to birth outcomes. (albany.edu)
Participants were recruited from two geographic areas and semen samples were analyzed for 34 quality parameters categorized as general, motility, morphology, sperm head and sperm chromatin structure using methods including computer-aided semen analysis integrated visual optical system and sperm chromatin structure assay. (albany.edu)
Linear and mixed models were used for statistical analysis of the relations between men's BW, semen parameters, and BW, gestational age at delivery, birth length, head circumference and ponderal index of singleton births. (albany.edu)
MAIN RESULTS AND THE ROLE OF CHANCE: No association was observed between male BW and semen parameters or birth outcomes. (albany.edu)
Few associations were observed between semen parameters and birth outcomes, and the observed statistically significant associations were isolated and without a consistent pattern that would suggest an association between BW and birth outcomes. (albany.edu)
Semen parameters, measured according to the World Health Organization [WHO 1999] protocols, were divided into those at or above WHO cutoffs for motility (50% motile), concentration (20thinsp;million/mL) and morphology (4% normal) and those below. (elsevierpure.com)
Alshahrani S, Ahmed AF, Gabr AH, Abalhassan M, Ahmad G. The impact of body mass index on semen parameters in infertile men. (medscape.com)
Semen quality parameters (semen volume, total sperm count, sperm concentration, and percentage of total motile sperm) measured at fertility clinics in Veterans Affairs Healthcare System were analyzed. (umassmed.edu)
Longitudinal studies are needed to better characterize the influence of military-specific exposures on semen quality parameters. (umassmed.edu)
Quality control appears to be an essential exercise for any center that plans to relate semen parameters to fertility outcome. (dundee.ac.uk)
We measured seminal plasma Se concentrations, sperm mitochondrial DNA copy number (mtDNAcn), and sperm quality parameters among healthy Chinese men screened as potential sperm donors . (bvsalud.org)
Objective: To compare two statistical approaches, case-control and analysis of continuous parameters of semen, in examining the relationship between occupational exposures and male reproductive function. (cdc.gov)
However, linear models incorporating continuous variables identified a number of occupational factors that were associated with specific parameters of semen. (cdc.gov)
Effect of B9 and B12 vitamin intake on semen parameters and fertility of men with MTHFR polymorphisms. (cdc.gov)
Obesity in men is associated with infertility in numerous studies, and the temporal trend for a decline in semen parameters parallels the increasing prevalence of obesity in the developed world. (medscape.com)
Interventions associated with improvement of intermediate outcomes that include the endocrine profile, semen parameters, and sexual function may be appropriately selected based on history, physical findings, as well as endocrine and metabolic evaluation. (medscape.com)

Although it is possible for men to father children into old age, the genetic quality of sperm, as well as its volume and motility, all typically decrease with age. (wikipedia.org)
The men had routinely provided semen samples, which the researchers assessed for characteristics including volume, concentration and motility. (sciencedaily.com)
Five urinary As species were analyzed by high-performance liquid chromatography coupled with inductively coupled plasma mass spectrometry (HPLC-ICP-MS). Clinical information on the semen volume, sperm concentration and motility was employed to catalogue and evaluate semen quality according to WHO guidelines. (biomedcentral.com)
The wide spectrum of quality analyses includes measurements of concentration, viability, morphology as well as total and progressive motility. (vikinggenetics.uk)
Semen samples were evaluated macroscopically and microscopically , semen having ≥70% progressive motility, ≥500×10 6 ml -1 sperm concentration and ≤ 20% sperm abnormalities were divided into 5 equal part. (undip.ac.id)
Semen analysis was performed the day after collection, an approach that impacts the assessment of motility and that may limit inference from our analyses of motility measures. (albany.edu)
Sperm survival kinetics in different types of bull semen: progressive motility, plasma membrane integrity, acrosomal status and reactive oxygen species generation. (tci-thaijo.org)

Cryptorchidism, hypospadias, testicular cancer and poor semen quality make up the syndrome known as testicular dysgenesis syndrome. (wikipedia.org)
The study, conducted by investigators at the Stanford University School of Medicine, also links poor semen quality to a higher chance of having various specific health conditions, such as hypertension, and more generally to skin and endocrine disorders. (sciencedaily.com)
In particular, the investigators found a substantial link between poor semen quality and specific diseases of the circulatory system, notably hypertension, vascular disease and heart disease. (sciencedaily.com)
Widespread infertility and the need for assisted reproduction due to poor semen quality and/or oocyte failure are now major health issues. (who.int)

Association Between Mobile Phone Use and Semen Quality: A Systematic Review and Meta-Analysis," Andrology, posted online April 3, 2014. (microwavenews.com)

A stallion may be subfertile in a frozen or cooled semen program and exhibit normal fertility in fresh AI or natural mating conditions. (ivis.org)
Monitoring fertility of breeding stallions in AI programs with cryopreserved semen begins with the identification of the semen freezing technique that allows to produce the best possible semen quality from a given stallion. (ivis.org)
This abstract will focus on how semen should be processed for freezing, so to obtain the optimum semen quality that will inevitably help the practitioner to obtain the highest level of fertility for a given stallion. (ivis.org)
Cryopreservation (freezing) allows long-term sperm storage, which in turn allows a breeder to buy and store semen from a stallion of interest and save it for the right mare in the future. (thehorse.com)
Today, doses of refrigerated stallion semen are stored, sent, and transported in single-use polystyrene transport boxes. (researchgate.net)
Toda y, doses of r efrigerated stallion semen are stored, sent, and transported in single-use pol ystyrene transport boxes. (researchgate.net)
Semen from stallions is usually collected with an artificial vagina with the stallion mounted on a mare in heat or a dummy mount. (petplace.com)
The libido or sexual drive of the stallion and breeding experience of the stallion are also important factors to consider when training a stallion for semen collection. (petplace.com)
The main advantage of performing artificial insemination with fresh semen is that one ejaculate can be split among several mares that are ready to be bred, therefore increasing the book of mares for a particular stallion in a given season. (petplace.com)
Other methods of semen collection are available, including collection of semen with the stallion standing on the ground or manual stimulation instead of an artificial vagina. (petplace.com)

Traditionally, extenders for bull semen included egg yolk or milk, but recently there has been a move to avoid material of animal origin. (slu.se)
In conclusion, the sperm quality of bull semen frozen in the two extenders that do not contain material of animal origin was similar, although the semen frozen in the liposome-based extender had higher mitochondrial membrane potential. (slu.se)
How to cite (IEEE): I. Darussalam, R. I. Arifiantini, I. Supriatna, and R. S. D. Rasad, "The effect of L-carnitine in Tris egg yolk-based diluent on the quality of Pasundan bull semen preserved in chilled condition," Journal of the Indonesian Tropical Animal Agriculture , vol. 45, no. 3, pp. 197-205, Oct. 2020. (undip.ac.id)
05). In conclusion, 1 mM L-Carnitine in TEY was the best concentration for preservation of P asundan bull semen stored in the liquid form. (undip.ac.id)

A study of more than 9,000 men with fertility problems has revealed a correlation between the number of different defects in a man's semen and the likelihood that the man has other health problems. (sciencedaily.com)
In addition, as the number of different kinds of defects in a man's semen rose, so did his likelihood of having a skin disease or endocrine disorder. (sciencedaily.com)
When looking at the severity of all health problems, the scientists observed a statistically significant connection between the number of different ways in which a man's semen was deficient and the likelihood of his having a substantial health problem. (sciencedaily.com)
Semen analysis measures the amount and quality of a man's semen and sperm. (ucsfhealth.org)

Most stallions can be easily trained for semen collection with an artificial vagina provided both the handler and semen collection technician are experienced. (petplace.com)

The ideal sample for semen preservation (either cooling or freezing) is one that contains a high concentration of sperm and therefore a low ratio of seminal plasma to spermatozoa and exhibits a high percentage of progressively motile sperm with a low percentage of morphological abnormalities. (ivis.org)
Sperm concentration measures how close together the sperm are in your semen. (medlineplus.gov)
FINDINGS: The median values of Veterans were 2.7 mL for semen volume, 55.3 x 10(6) for total sperm count, 22.0 x 10(6)/mL for sperm concentration, and 55% for total motile sperm. (umassmed.edu)

In addition to supplying high quality PIC genetics through boar semen, Birchwood houses an extremely sophisticated semen analysis program (Spermvision™), supported by a strong technical service team. (thepigsite.com)

Many products that come into direct contact with spermatozoa lack adequate testing for any adverse effect on semen quality. (wikipedia.org)
Sedentary work position encountered in ordinary jobs, although a strong determinant of scrotal temperature, does not seem to have any effect on semen quality. (nih.gov)
Previous studies have shown that occupational exposure to pesticides might have an effect on semen quality, but so far there has been little investigation of the effects of pesticides in diet. (eurekalert.org)

Two handfuls of nuts per day also improve the semen quality- the vitality, mobility, and morphology, according to a UCLA study. (yourstylishlife.com)
As a result, numerous authors have suggested an introduction of sperm DNA damage testing into the andrological laboratory workup as an independent tool as DNA fragmentation apart from normal sperm morphology appears to be a reliable and more robust parameter than conventional semen analysis due to its low biological variability and thus is a useful biomarker that should be implemented in any andrological diagnostic workup [ 19 - 21 ]. (hindawi.com)

In fact, providing the equine breeding industry with high quality semen should lead to achieve the optimum level of fertility in the field. (ivis.org)

Results suggest that ambient phthalate metabolite concentrations may adversely affect human semen quality. (elsevierpure.com)
However, the association of Se status with human semen quality remains controversial and the underlying mechanisms are poorly understood. (bvsalud.org)

We collected and assessed semen per World Health Organization guidelines ( 10 ). (cdc.gov)

However, despite these compensations, there are activities that should not be performed too often, in order to prevent infertility due to heat: sauna sessions bathing for a long time in hot water Long-time tanning bed sessions Placement of a laptop computer over the groin for extended use Fever raises the body temperature, which can strike sperm quality. (wikipedia.org)
A study of men who were evaluated for the cause of their infertility finds previously unknown relationships between deficiencies in their semen and other, seemingly unrelated health problems. (sciencedaily.com)
Conclusions and Relevance: Among a general population of couples seeking infertility treatment, the use of folic acid and zinc supplementation by male partners, compared with placebo, did not significantly improve semen quality or couples' live birth rates. (northwestern.edu)
It can help determine if a problem in sperm production or quality of the sperm is causing infertility . (ucsfhealth.org)
News / Lifestyle / Health / Microplastics can cause semen quality decline in males and female infertility. (hindustantimes.com)
A semen analysis can help figure out if a problem with semen or sperm is likely to be causing infertility. (medlineplus.gov)
Indications for performing a postcoital test include semen hyperviscosity, increased or decreased semen volume with good sperm density, or unexplained infertility. (medscape.com)
The initial evaluation of the male patient should be rapid, noninvasive, and cost-effective, as nearly 70% of conditions that cause infertility in men can be diagnosed with history, physical examination, and hormonal and semen analysis alone. (medscape.com)
Setting: Males providing semen samples at a university infertility clinic. (cdc.gov)
Patient(s): Nonvasectomized males who provided at least one semen sample at an infertility clinic. (cdc.gov)
Environmental and occupational hazards account for an unknown proportion of infertility cases, but are known to affect reproductive health and fertility in women and men, and suspected of causing declining human sperm quality in industrialized countries. (cdc.gov)

Evidence for decreasing quality of semen during past 50 years. (medscape.com)
Average sperm count is reported to have dropped from 99 million sperm per milliliter of semen to 47 million/mL during the past 50 years, the researchers said in background notes. (msdmanuals.com)

The objective of this study was to compare the effects of different antioxidant supplementation in extender on boar semen quality during storage for 10 days at 17ºC. (tci-thaijo.org)
In conclusion, the addition of 1 mM dose of glutathione can be recommended as an alternative component of boar semen extender for long-term cool storage. (tci-thaijo.org)

Objective: To determine the effect of daily folic acid and zinc supplementation on semen quality and live birth. (northwestern.edu)
Tris-egg yolk diluents}, abstract = { The study was conducted to investigate the effect of L-Carnitine supplementation in Tris - egg yolk (TEY) diluents to optimize the quality of P asundan bull liquid semen. (undip.ac.id)
Correlation between methylenetetrahydrofolate reductase gene polymorphism and oligoasthenospermia and the effects of folic acid supplementation on semen quality. (cdc.gov)

1 Whether this manifests as a lower libido, reduced erectile strength, or diminished semen volume and orgasm activity, it's not something any man wants to confront. (innerbody.com)

Exposure to any of the temporary factors can cause up to a three-month delay before sperm quality returns to normal, due to spermiogenesis. (wikipedia.org)
A high scrotal temperature is a common finding in infertile patients and experimental studies indicate that specific types of heat exposure reduce semen quality. (nih.gov)
A mice study conducted by researchers from Sao Paulo University in Brazil revealed that exposure to tiny air pollution particles may result in lower sperm count and quality . (naturalnews.com)
As species concentrations in addition to other continuous variables were dichotomized by the medians and modelled as categorical variables in order to explore using the binary logistic regression possible associations between As exposure and semen quality. (biomedcentral.com)
Adult male exposure to pesticides has been associated with altered semen quality, sterility, and prostate cancer. (hindustantimes.com)
Conclusion(s): The findings suggest that subtle changes in semen variables, possibly associated with workplace exposure, may be detected only with parametric analyses of continuous variables of semen. (cdc.gov)

Better semen, orgasms, and libido? (innerbody.com)
Semenax Reviews: Does it improve semen volume, sperm function, or libido? (innerbody.com)
In addition to impaired semen quality, fertility among obese men may be affected by decreased libido and erectile dysfunction. (medscape.com)

Like fine wine and cheeses, the taste of semen is complex and dynamic. (improbable.com)

The amount and quality of the semen you produce in each ejaculation is related to a combination of several factors. (healthline.com)
Semen is the thick, white fluid released during ejaculation that contains sperm. (ucsfhealth.org)
A sterile whirl-pack bag or other type of receptacle (i.e. baby bottle or baby bottle liner) is secured to the distal end of the artificial vagina to collect the semen during ejaculation. (petplace.com)

Live birth outcomes were available for all couples, and 1629 men (69%) had semen available for analysis at 6 months after randomization. (northwestern.edu)
STUDY DESIGN, SIZE, DURATION: Questionnaire data and semen samples were collected at baseline from 427 male participants of the population-based Longitudinal Investigation of Fertility and the Environment (LIFE) prospective cohort study from 2005 to 2009, who were followed prospectively to assess pregnancy outcomes among 226 singleton births. (albany.edu)

Semen frozen in the liposome-based extender showed similar membrane integrity and higher mitochondrial membrane potential compared to those in the soya lecithin-based extender. (slu.se)
The use of antioxidants as semen additives in the extender has been proposed to improve sperm function during cool storage. (tci-thaijo.org)
Semen samples (n=18) were divided into 10 aliquots and diluted with Reading extender supplemented with three different concentrations of water-soluble glutathione, L-carnitine, and vitamin E analogue Trolox (0.1, 1 and 5mM). (tci-thaijo.org)

Post-thaw sperm quality was evaluated by computer-assisted sperm analysis and flow cytometric assessment of membrane integrity, chromatin integrity, mitochondrial membrane potential, production of reactive oxygen species and tyrosine phosphorylation. (slu.se)
We present findings of semen analysis from a prospective coronavirus disease (COVID-19) cohort study. (cdc.gov)
Semen analysis is one of the first tests done to evaluate a man's fertility. (ucsfhealth.org)
What is a semen analysis? (medlineplus.gov)
A semen analysis, also called a sperm count, measures the quantity and quality of semen and sperm. (medlineplus.gov)
A semen analysis is usually done 8 to 16 weeks after a vasectomy to make sure your semen has no sperm. (medlineplus.gov)
Why do I need a semen analysis? (medlineplus.gov)
What happens during a semen analysis? (medlineplus.gov)
There is no known risk to a semen analysis. (medlineplus.gov)
If your semen analysis results aren't all normal, it doesn't mean you're permanently infertile. (medlineplus.gov)
Association of semen quality and occupational factors: comparison of case-control analysis and analysis of continuous variables. (cdc.gov)
Main Outcome Measure(s): Standard clinical semen analysis. (cdc.gov)

But remember: There isn't any scientific evidence to suggest that taking lecithin supplements will have an effect on the amount of semen you produce when you ejaculate. (healthline.com)
Volume is the amount of semen in your sample. (medlineplus.gov)

Semen from stallions is most commonly collected with the aid of an artificial vagina while mounting a mare in heat, an ovariectomized mare or a dummy mount. (petplace.com)
The choice of artificial vagina to be used depends on the preference and experience of the semen collection technician. (petplace.com)

The last 6-month study visit for semen collection occurred during August 2018, with chart abstraction of live birth and pregnancy information completed during April 2019. (northwestern.edu)
The association between cellphone use and lower semen quality gradually decreased between 2005 and 2018, the researchers found. (msdmanuals.com)

Artificial insemination programs with fresh semen provide excellent results as long as the semen quality is acceptable and the semen is handled appropriately after collection. (petplace.com)
Time of day modified the time required for semen collection with electroejaculation and slightly affected the quality of fresh semen in rams. (cabi.org)
The aim was to compare some stress responses to electroejaculation (EE), and the quality of fresh semen, when ram semen is collected at dawn (06:00 h), noon (12:00 h), or evening (18:00 h). (cabi.org)

The first study to investigate the relationship between eating fruit and vegetables containing pesticide residues and the quality of men's semen has shown a link with lower sperm counts and percentages of normally-formed sperm. (eurekalert.org)

Importance: Dietary supplements marketed for male fertility commonly contain folic acid and zinc based on limited prior evidence for improving semen quality. (northwestern.edu)

Petersen PM, Skakkebaek NE, Vistisen K, Rørth M, Giwercman A. Semen quality and reproductive hormones before orchiectomy in men with testicular cancer. (medscape.com)
1999) Semen quality and reproductive hormones before orchiectomy in men with testicular cancer. (medscape.com)

Pregnancy rates achieved with frozen semen vary, but they average between 30-60% per estrous cycle. (thehorse.com)
While it might take more than one cycle to achieve a pregnancy using frozen semen, most young, fertile mares will conceive over the course of a breeding season. (thehorse.com)
Owners should be aware that pregnancy rates with frozen semen are significantly lower in mares older than 16. (thehorse.com)
To prevent pregnancy , a vasectomy cuts the tubes that carry sperm out of your testicles (testes) so that the sperm can't get into your semen. (medlineplus.gov)
Pesticides and polychlorinated biphenyls were measured in serum, follicular fluid or seminal plasma by gaschromatography and related to sperm quality and pregnancy rates. (springer.com)
If semen is not handled appropriately and timing of insemination is not accurate, pregnancy rates may be sub-optimal in artificial insemination programs. (petplace.com)
Furthermore, sperm DNA damage appears to be linked to the most important checkpoints of fertility such as reduced fertilization rates, lower embryo quality and pregnancy rates, higher miscarriage rates, malformations, and childhood diseases [ 22 ]. (hindawi.com)

Patients with hypospadias may not place the semen at the cervical os. (medscape.com)

The acidity of the semen and the presence of white blood cells (suggesting infection) may affect fertility. (ucsfhealth.org)
pH describes the acidity of your semen. (medlineplus.gov)

In the last decade, the use of sexed semen has increased rapidly and currently one third of doses sold in VikingGenetics' home markets (Denmark, Sweden, and Finland) are gender sexed. (vikinggenetics.uk)
In the period 2015-2020, the number of X-Vik semen doses sold has more than doubled. (vikinggenetics.uk)
Only the doses that meet strict quality criteria are released for distribution. (vikinggenetics.uk)
Sexed doses purchased from VikingGenetics are tailor-made to the bull and its semen quality to ensure the best result in your herd time after time. (vikinggenetics.uk)
The ECOOL Box allows the cooling of semen doses at a rate of-0.13°C/min, with no detrimental effect. (researchgate.net)
To maintain and certify a level of quality that exceeds industry standards, the Network has implemented a comprehensive certification program where semen doses are submitted and monitored monthly by third party reproductive consultants. (thepigsite.com)

Freshly collected semen can then be evaluated and used for artificial insemination of mares. (petplace.com)

This happens particularly when mares are inseminated with cooled or frozen semen shipped internationally. (ivis.org)

This can affect your semen volume. (healthline.com)
Your desire to have sex can impact your semen volume. (healthline.com)
Video Summary Today, I'll reveal: what controls semen volume, what causes it to drop, and how to increase it naturally and with drugs. (drsamrobbins.com)
Semen Volume This varies greatly from as little as 0.5 ml to as much as 8 ml. (drsamrobbins.com)
you know, semen volume? (drsamrobbins.com)
So, there are usually two main reasons a man wants more semen volume and sperm quantity. (drsamrobbins.com)

The study wasn't designed to determine precisely how connections between semen deficiencies and seemingly unrelated disorders, such as cardiovascular or endocrine disease, come about. (sciencedaily.com)

Sperm mitochondrial DNA copy number mediates the association between seminal plasma selenium concentrations and semen quality among healthy men. (bvsalud.org)

The benefits of using frozen semen when breeding a mare are numerous. (thehorse.com)
The ability to import frozen semen from other countries allows breeders access to quality stallions all over the world. (thehorse.com)
And storing frozen semen gives mare owners the option to breed to stallions that have died, have been castrated, or are actively competing and not available for collection. (thehorse.com)
For the best chance of success, owners should breed to stallions that are known to have good-quality frozen semen and have produced live foals. (thehorse.com)
Further investigation of these areas using the available breakthrough molecular tools such as omics technologies is therefore proposed to improve, optimize, or even predict the overall quality of frozen-thawed ruminant semen towards reproductive efficiency. (tci-thaijo.org)
Effect of age on lipid peroxidation of fresh and frozen-thawed semen of Nili-Ravi buffalo bulls. (tci-thaijo.org)

The present work suggests that hazelnut supplemented diet significantly improves testicular antioxidant function and semen quality in old male rats. (ktu.edu.tr)

After conducting the first national study (2019) on the semen high quality of younger males in Switzerland, a crew from the College of Geneva (UNIGE) has revealed the biggest cross-sectional examine on this matter. (anticancerhealth.com)

Semen quality is a measure of male fertility, a measure of the ability of sperm in semen to accomplish fertilization. (wikipedia.org)
About 15 percent of all couples have fertility issues, and in half of those cases the male partner has semen deficiencies," said the study's lead author, Michael Eisenberg, MD, assistant professor of urology and director of male reproductive medicine and surgery at Stanford. (sciencedaily.com)
A]lthough the defined effect of mobile phone use on semen quality cannot be concluded from the existing studies, men should not keep mobile phone in their trousers pockets or near testicles to avoid the potential harmful effect of RF radiation on the male reproductive system. (microwavenews.com)
However, the possible effects of As on human male semen quality remain obscure. (biomedcentral.com)
Semen contains sperm, the cells made in the male reproductive system that include the genetic material needed to make a baby. (medlineplus.gov)
Nutrition and diet have again been linked to the quality of male sperm, with a new study revealing that high micronutrient intakes is 'strongly' associed with improved sperm DNA quality in older men. (nutraingredients.com)
Association Between Use of Marijuana and Male Reproductive Hormones and Semen Quality: A Study Among 1,215 Healthy Young Men. (medscape.com)
In this regard, green tea polyphenols (GrTPs) have been reported to possess properties that may increase the quality of male and female gametes, mostly via the capability of catechins to reduce ROS production. (mdpi.com)

We monitored the profile of As species in the urine of a reproductive-age human cohort and assessed its association with semen quality. (biomedcentral.com)
However, detection of SARS-CoV-2 RNA in semen was not reported from 6 cohort studies that included 213 men ( 6 ), although detection has been reported in 2 studies during the acute phase ( 7 , 8 ) and in 1 study during early convalescence ( 9 ). (cdc.gov)

We provide longitudinal semen quality data for 6 other men, including 3 who had oligozoospermia. (cdc.gov)

The current difference is on average between 5 and 10%, and even equal to conventional semen for some of our bulls (data for 2020). (vikinggenetics.uk)
Relationship among seminal quality measures and field fertility of young dairy bulls using low-dose inseminations. (vikinggenetics.uk)

Whereas varied environmental and life-style elements have been proposed to clarify the decline in semen high quality noticed during the last fifty years, the position of cell phones has but to be demonstrated. (anticancerhealth.com)

In 2009, we obtained the first reproduction data relating to the use of sexed semen produced at VikingGenetics, which reported 10-20% lower fertility when sexed semen was used as compared to conventional. (vikinggenetics.uk)
Nowadays, the fertility gap between conventional and sexed semen is closing and today's conception rates achieved with sexed semen are very close to the level for conventional semen. (vikinggenetics.uk)
The average conception rate for X-Vik is slightly lower than for conventional semen. (vikinggenetics.uk)
With good herd management, your fertility results with sexed semen can equal or exceed conventional. (vikinggenetics.uk)

The aim of this study was to evaluate the effects of two commercial extenders (based on soya lecithin and liposomes) on bull sperm quality after cryopreservation. (slu.se)

Infection with the SARS-CoV-2 virus may negatively impact semen quality, in keeping with a study on 30 males performed by researchers on the All India Institute of Medical Sciences. (healthnewsdailydigest.com)
The study, revealed in the Cureus Journal of Medical Science, investigated the presence of SARS-CoV-2 in the semen of COVID-19 males. (healthnewsdailydigest.com)
The researchers famous that assisted reproductive know-how (ART) clinics and sperm banking services ought to take into account assessing the semen of COVID-19 contaminated males. (healthnewsdailydigest.com)
These clinics ought to exclude males with a constructive historical past of SARS-CoV-2 till their semen quality returns to regular, the researchers added. (healthnewsdailydigest.com)

This all leads to delivering a consistent, high quality product, promoting excellent reproductive efficiency, progeny performance and overall added-value product. (thepigsite.com)

Given these findings, cellphones might be one reason why many studies have shown that semen quality has decreased. (msdmanuals.com)

The aim of this study was to establish analytical quality specifications for human semen measurands according to the state of the current methodologies. (degruyter.com)
However, the study of 155 men showed that, overall, the total amount of fruit and vegetables consumed was unrelated to changes in any measurements of semen quality in the group as a whole. (eurekalert.org)
Prof Chavarro, his student Dr Yu-Han Chiu and colleagues analysed 338 semen samples from 155 men attending a fertility centre between 2007-2012 as part of the ongoing, prospective "Environment and Reproductive Health" (EARTH) Study. (eurekalert.org)
Detailed semen evaluation, together with the sperm DNA fragmentation index, was completed at first sampling that's throughout COVID-19," the authors of the study stated. (healthnewsdailydigest.com)
The study, together with researchers from AIIMS Managalagiri and AIIMS New Delhi, discovered that each one semen samples collected in the primary and second sampling examined with real-time reverse transcription-polymerase chain response (RT-PCR) had been detrimental for SARS-CoV-2. (healthnewsdailydigest.com)
Twelve Corriedale rams were used, and semen was collected from four rams at each study time on three. (cabi.org)

Anatomy8

Organisms2

Diseases12

Chemicals and Drugs22

Analytical, Diagnostic and Therapeutic Techniques and Equipment20

Psychiatry and Psychology1

Phenomena and Processes20

Disciplines and Occupations1

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture7

Humanities1

Information Science3

Named Groups1

Health Care20

Geographicals6

Parameters28

Motility7

Poor semen quality4

Mobile Phone Use and Semen Quality1

Stallion10

Bull semen4

Man's semen4

Trained for semen collection1

Concentration3

Sophisticated semen analysis1

Effect on semen quality3

Morphology2

High quality semen1

Human semen quality2

World Health Organ1

Infertility11

Past 50 years2

Boar semen2

Supplementation3

Diminished semen volume1

Exposure6

Libido3

Taste of semen1

Ejaculation3

Outcomes2

Extender3

Analysis12

Amount of semen2

Artificial vagina2

20182

Fresh semen3

Men's1

Folic Acid1

Testicular cancer2

Pregnancy7

Hypospadias1

Acidity2

Doses6

Insemination1

Mares1

Volume6

Disorders1

Concentrations1

Frozen6

Antioxidant1

20191

Male8

Cohort2

Longitudinal1

Bulls2

Decline1

Conventional4

Cryopreservation1

Males4

Reproductive efficiency1

Findings1

Study6