Uterine contraction. Medical search. Frequent questions

For example, when oxytocin is released during a contraction of the uterus at the start of childbirth, this stimulates production and release of more oxytocin and an increase in the duration, intensity and frequency of contractions. (wikipedia.org)
Oxytocin, in therapeutic doses, induces contractions in the fundus and body of the uterus only without affecting the lower segment and full relaxation occurs in between the contractions. (biologydiscussion.com)
Small doses cause rhythmic contractions of uterus,but with larger doses they become more or less continuous. (biologydiscussion.com)
Finally, the EMMI data processing pipeline is performed to combine the body-uterus geometry with body surface electrical data to reconstruct and image uterine electrical activities on the uterine surface. (wustl.edu)
Conditions under which prolonged contraction of the uterus may be detrimental to fetal safety. (drugs.com)
The abdominal distention due to uterine enlargement and the displacement of the viscera from the gravid uterus may alter the typical signs of the acute abdomen. (hindawi.com)
When the protein is deactivated, the uterus begins the contractions culminating in labor. (nih.gov)
Tissue from a preterm laboring uterus had the least Piezo1 of all the uterine samples. (nih.gov)
Finding Piezo1 in the muscular layer of the uterus where there are no nerves controlling contraction and relaxation means the uterus is controlled locally and is coordinated by a stretch-activated mechanism, rather than hormonal influence from the ovaries or the placenta, which has been the assumption," Dr. Buxton said. (nih.gov)

Uterine and vaginal contractions usually take place during female sexual stimulation, including sexual arousal, and orgasm. (wikipedia.org)
Oxytocin is contraindicated in conditions where vaginal delivery is inadvisable including the presence of uterine scar from major surgery, fetal distress, severe pre-eclamptic toxemia and severe CVS disease. (biologydiscussion.com)
There's fetal fibronectin in your vaginal fluid. (clevelandclinic.org)
Uterine activity is a sensitive marker of abruption and, in the absence of vaginal bleeding, should suggest the possibility of an abruption, especially after some form of trauma or in a patient with multiple risk factors. (medscape.com)

During normal pregnancy, the uterine smooth muscle, the myometrium, begins to have weak, uncoordinated contractions at late gestation to help the cervix remodel. (wustl.edu)
Although premature separation of normally implanted placenta is considered the most serious complication of pregnancy, knowledge of uterine behaviour during this con-dition is meager, on the basis of electronic recording of intra-uterine pressure two type of contraction pattern has been identified. (ac.ir)
Cervical insufficiency (cervical incompetence) is defined by the American College of Obstetricians and Gynecologists (ACOG) as the inability of the uterine cervix to retain a pregnancy in the second trimester, in the absence of uterine contractions. (medscape.com)
It helps keep the amniotic sac attached to your uterine lining during pregnancy. (clevelandclinic.org)
Evaluation of the pregnancy did not show uterine contractions. (hindawi.com)
Meanwhile, misoprostol induces very severe uterine contractions, imitating pregnancy. (healthnews.com)
In ectopic pregnancy , a fertilized egg implants itself outside the uterine cavity. (healthnews.com)
In pregnancy, black cohosh may theoretically cause uterine contractions and thus result in miscarriage. (msdmanuals.com)

Uterine contractions that occur throughout the menstrual cycle, also termed endometrial waves or contractile waves, appear to involve only the sub-endometrial layer of the myometrium. (wikipedia.org)
In labor, the myometrium has strong, coordinated contractions to deliver the fetus. (wustl.edu)
channel in the spontaneous phasic contractions of the rat myometrium. (kyobobook.co.kr)
channels are expressed in the pregnant rat myometrium and may play a key role for the regulation of the frequency of spontaneous phasic contractions. (kyobobook.co.kr)
The contraction-relaxation responses of the myometrium were also determined in the organ baths. (ankara.edu.tr)
2001): Melatonin inhibits spontaneous and oxytocin-induced contractions of rat myometrium in vitro. (ankara.edu.tr)
The uterine myometrium is a type of smooth muscle-muscle not under voluntary control-that contracts to push out the baby during labor. (nih.gov)

So uterine tonus and contraction frequency appear to be a good indicator of the functional status of uterine mmcle in abruptic placenta and its reactivity to oxytocic agents. (ac.ir)
Severe PPH, retained placenta, and uterine inversion may require emergency anesthetic services. (medscape.com)

misoprostol triggers uterine contractions that expel the fetus. (motherjones.com)
The protein Dooku1 deactivates Piezo 1 and triggers uterine contractions. (nih.gov)

Subsequently, medical options that interfere with the progesterone support (mifepristone) and induce uterine contractions (misoprostol) became available. (medscape.com)

The hormone oxytocin has been identified as inducing uterine contractions, and labour in general. (wikipedia.org)
In either form, oxytocin stimulates uterine contractions to accelerate the process of childbirth. (wikipedia.org)
Carboprost (PGF 2a ) is given by deep intramuscular injection in postpartum hemorrhage due to uterine atony, when ergometrine and oxytocin have failed to control bleeding. (biologydiscussion.com)
Apart from prostaglandin, the other drugs which stimulate uterine contractions are oxytocin and ergometrine. (biologydiscussion.com)
Oxytocin causes contraction of the uterine muscle. (biologydiscussion.com)
At parturition, extremely small amounts of oxytocin cause powerful uterine contractions. (biologydiscussion.com)
Oxytocin may cause uterine over stimulation leading to fetal distress, asphyxia, death and uterine rupture. (biologydiscussion.com)
Uterine tissue treated with the hormone oxytocin-which causes uterine tissue to contract, relaxed after increasing doses of Yoda1. (nih.gov)

Prostaglandins (PG) are the only autacoids that are used in therapy because of their cytoprotective activity in the GIT mucosa, antiplatelet activity, and uterine stimulant and vasodilator actions. (biologydiscussion.com)
Most prostaglandins cause uterine contraction, and they are sometimes administered to initiate labour . (britannica.com)
Interleukin (IL)-1β infusion alone without infection causes the release of cytokines and prostaglandins into amniotic fluid with uterine contractions, but it does not cause preterm delivery. (cdc.gov)
Dexamethasone and interleukin-10 infused into amniotic fluid together with IL-1β inhibit intrauterine IL-1β and prostaglandins and reduce uterine contractions. (cdc.gov)

These images are a random sampling from a Bing search on the term "Uterine Rupture. (fpnotebook.com)
It might be that your risk of uterine rupture or scar separation is a little higher than it is after just one C-section. (today.com)

PGF2a stimulates uterine contractions. (studentnow.com)

puerpera is awake, can cooperate childbirth and do not affect uterine contraction, and do not affect labor course progress. (scirp.org)

2003): Effect of melatonin on estrogen and progesterone receptors in relation to uterine contraction in rats. (ankara.edu.tr)

E delivery, gestational hypertension, and premature uterine contractions. (axlinhibitor.com)
In that study, a single dose of a monovalent 2009 H1N1 flu vaccine was administrated to pregnant women, and a high seroprotection rate was reported.E delivery, gestational hypertension, and premature uterine contractions. (axlinhibitor.com)

Painful contractions are called dysmenorrhea. (wikipedia.org)
Dysfunctional uterine bleeding and dysmenorrhea. (studentnow.com)

In this article we will discuss about the drugs that stimulate uterine contractions. (biologydiscussion.com)
Most of the drugs that stimulate or inhibit smooth muscle contraction do so by regulating the concentration of intracellular calcium , which is involved in initiating the process of contraction. (britannica.com)

If there is a scar on the uterine wall, there are no blood vessels. (healthnews.com)

Mild bowel sounds were present with high frequency and there was no uterine tenderness. (hindawi.com)

Inhibition of uterine contractions. (empowher.com)

Smooth muscle , which is found primarily in the internal body organs and undergoes involuntary, often rhythmic contractions that are not dependent on outside nerve impulses, generally shows a broad sensitivity to drugs relative to striated muscle. (britannica.com)

The frequency of contractions increases to 3-4 per minute towards ovulation. (wikipedia.org)
When the fibers stretch in response to a contraction, the threads function like an antenna, and send the signals they pick up to an embedded RFID (radio-frequency identification device) chip that reports the data. (wikipedia.org)
In type I uterine tonus has values below 30mmHg with a frequency of 4-9 contractions per 10 minutes. (ac.ir)
In type II uterine tonus has a value of 30 mm Hg or more and a higher frequency. (ac.ir)
transients and contractions with no significant change in frequency. (kyobobook.co.kr)
This study examined the effect on uterine contraction frequency (UCF), blood pressure (BP), heart rate (HR), fetal heart rate (FHR) patterns and psychophysical symptoms (physical discomfort, anxiety , and depression ) of structured bed exercise (SBE) in hospitalized high- risk pregnant women prescribed bed rest . (bvsalud.org)
mCTG is a low-cost portable solar rechargeable device that measures duration, frequency and intensity of maternal uterine contractions along with fetal heart rate. (who.int)

Contractions and uterine hypertonus are part of the classic triad observed with placental abruption. (medscape.com)
Contractions progress as the abruption expands, and uterine hypertonus may be noted. (medscape.com)

During labor, your healthcare provider will watch your uterine contractions and your baby's heart rate. (hopkinsmedicine.org)
It involves the continuous or periodic measurement and recording of key fetal parameters such as the fetal heart rate and uterine contractions to ensure the baby's health and detect any signs of distress or abnormalities. (gminsights.com)

Uterine contractions occur throughout the menstrual cycle in the non-pregnant state and throughout gestation. (wikipedia.org)

Uterine contractions are muscle contractions of the uterine smooth muscle that occur during the menstrual cycle and labour. (wikipedia.org)
A shift in the myosin expression of the uterine smooth muscle has been hypothesized as arising for changes in the directions of uterine contractions during the menstrual cycle. (wikipedia.org)
The resting membrane potential (Vrest) of uterine smooth muscle has been recorded to be between −35 and −80 mV. (wikipedia.org)
Among their most important sites of action are bronchial and uterine smooth muscle. (britannica.com)

Orgasm close to your due date may start uterine contractions. (healthlinkbc.ca)

Uterine contractions are part of the process of natural childbirth (i.e., not by Caesarean section). (wikipedia.org)

Carefully monitor for uterine activity, fetal status and the progression of cervical dilatation and effacement. (drugs.com)
Monitor uterine activity, fetal status, and the progression of cervical dilatation and effacement with the use of CERVIDIL. (drugs.com)

These contractions may be uncomfortable or even painful, but they are generally significantly less painful than contractions during labour. (wikipedia.org)
Some women may experience contractions before labour is due. (wikipedia.org)
These are Braxton Hicks contractions, which are sometimes referred to as "false labour. (wikipedia.org)
It is given by intravenous infusion, total dose not exceeding 5 units for induction of labour for medical reasons (hypotonic uterine inertia) and in incomplete, inevitable or missed abortion. (biologydiscussion.com)
Its main use is to promote a strong uterine contraction immediately after labour, thus reducing the likelihood of bleeding. (britannica.com)

Various methods have been developed to monitor uterine contraction patterns to predict labor onset. (wustl.edu)
Effect of Structured Bed Exercise on Uterine Contractions, Fetal Heart Rate Patterns, and Maternal Psychophysical Symptoms of Hospitalized High-Risk Pregnant Women: A Randomized Control Trial. (bvsalud.org)

A primate experimental model of infection and preterm delivery indicates that bacteria experimentally placed into amniotic fluid elicit an almost immediate cytokine response, a fetal cortisol response, little or no maternal effects of infection, and a delay in uterine contractions for 30-40 hours, after which labor ensues. (cdc.gov)
The device uses a modified semiconductor based ultrasound and external tocometry transducers to measure fetal heart rate and maternal contractions respectively. (who.int)

Contractions are painful and palpable. (medscape.com)

The FDA has endorsed its use with RU-486 and recognizes its off-label use by obstetricians to induce contractions in routine deliveries, a practice that remains controversial due to the risk of serious hemorrhaging in the mother and harm to the baby. (motherjones.com)

Having had uterine surgery that cuts through the muscle. (today.com)

Infection can cause scarring of uterine tissue and damage the endometrial cavity. (healthnews.com)

but at menstruation the intensity increases dramatically to between 50 and 200 mmHg producing labor-like contractions. (wikipedia.org)
PGE 2 is synthesized by many tissues and causes contraction of the uterine muscle and is concerned with menstruation and child birth. (biologydiscussion.com)

Your provider will note how often you are having contractions and how long each lasts. (hopkinsmedicine.org)

During labor, uterine contractions changes from episodic and uncoordinated to highly coordinated. (wikipedia.org)
These inflammatory mediators encourage myometrial contractions to induce labor. (wikipedia.org)

The body becomes rigid, leading to generalized muscular contractions. (medscape.com)

Because this mechanism is relatively insensitive to drug action, the most important group of drugs that affect the neuromuscular junction act on (1) acetylcholine release, (2) acetylcholine receptors, or (3) the enzyme acetylcholinesterase (which normally inactivates acetylcholine to terminate muscle fibre contraction). (britannica.com)
Stevenson's research has focused on the 5,8-disubstituted indolizidines, which are selective antagonists of the alpha-4, beta-2 and alpha-7 nicotinic acetylcholine receptors, and the pumiliotoxins, which cause contraction of striated muscle, in the case of allopumiliotoxin with very high potency. (soci.org)

2013): Incidence, management and outcomes of uterine torsion in dairy cows. (ankara.edu.tr)

In the early follicular phase, uterine contractions in the non-pregnant woman occur 1-2 times per minute and last 10-15 seconds with a low intensity of usually 30 mmHg or less. (wikipedia.org)

In this study was aimed at reducing uterine damage and increasing fertility after uterine torsion in pregnant animals. (ankara.edu.tr)
With this aim, uterine torsion was experimentally formed in 35 rats that were between 18-19 days pregnant. (ankara.edu.tr)

Anatomy10

Organisms4

Diseases1

Chemicals and Drugs19

Analytical, Diagnostic and Therapeutic Techniques and Equipment7

Phenomena and Processes19

Uterus9

Vaginal4

Pregnancy8

Myometrium7

Placenta2

Triggers uterine contractions2

Misoprostol1

Oxytocin8

Prostaglandins4

Rupture2

Stimulates1

Affect uterine1

Estrogen and progesterone receptors1

Premature2

Dysmenorrhea2

Drugs that stimulate2

Scar1

Tenderness1

Inhibition1

Rhythmic contractions1

Frequency7

Hypertonus2

Baby's2

Gestation1

Smooth muscle4

Orgasm1

Childbirth1

Cervical2

Labour5

Patterns2

Maternal2

Painful1

Deliveries1

Surgery1

Endometrial1

Menstruation2

Lasts1

Labor2

Muscular1

Muscle2

Outcomes1

Intensity1

Pregnant2