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Uterine contractions are muscle contractions of the uterine smooth muscle that can occur at various intensities in both the non-pregnant and pregnant uterine state. The non-pregnant uterus undergoes small, spontaneous contractions in addition to stronger, coordinated contractions during the menstrual cycle and orgasm.
Vaginal contractions are caused by both the activity of certain brain regions and the release of the hormone oxytocin. It has been suggested that vaginal contractions during orgasm can increase the chances of pregnancy as they transport sperm up the reproductive tract from the vagina to the oviducts, which decreases the distance it has to travel.
Presence of contractions that occur more frequently than every 2 minutes or last longer than 90 seconds in the presence of late decelerations. Requires repeat testing on following day. [1] Equivocal—Unsatisfactory: Fewer than three contractions occur within 10 minutes, or a tracing quality that cannot be interpreted.
Oxytocin itself can cause uterine contractions and thus ADH can cross-react with oxytocin receptors and cause contractions. [citation needed] Swelling/Edema – Swelling occurs when excess fluid accumulates in regions of the body, resulting in abnormal enlargement or "puffiness." This commonly occurs in the upper and lower extremities.
It’s more likely to happen to women who have never been pregnant or are younger than 20 years old. Research shows that adolescents ages 14 to 19 have a higher risk of IUD expulsion than older women.
Uterine Tachysystole is a condition of excessively frequent uterine contractions during pregnancy. [1] It is most often seen in induced or augmented labor, though it can also occur during spontaneous labor, [2] and this may result in fetal hypoxia and acidosis.
Braxton Hicks contractions allow the pregnant woman's body to prepare for labor. [1] However, the presence of Braxton Hicks contractions does not mean a woman is in labor or even that labor is about to commence. [1] Another common cause of pain in pregnancy is round ligament pain. Table 1. Braxton Hicks contractions vs. true labor [1]
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