Contraction, uterine


Contraction, uterine
The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1) they cause the cervix to thin and dilate (open); and (2) they aid the baby to descend into the birth canal.

Medical dictionary. 2011.

Look at other dictionaries:

  • Contraction utérine — ● Contraction utérine raidissement intermittent du muscle utérin pendant l accouchement …   Encyclopédie Universelle

  • Contraction utérine — Une contraction utérine affecte les muscles qui composent l utérus et qui, associée à d autres, doit aboutir à l accouchement. Lors d un accouchement, la première phase du travail se reconnaît à la fréquence plus élevée des contractions, qui d… …   Wikipédia en Français

  • contraction — [ kɔ̃traksjɔ̃ ] n. f. • XVe; contraicion 1256; lat. contractio, de contrahere → 2. contracter 1 ♦ Vx Diminution du volume d un corps, sans modification de sa masse. Contraction par le froid, la pression. ♢ Mod. Physiol. Diminution de volume ou de …   Encyclopédie Universelle

  • Uterine atony — is a loss of tone in the uterine musculature. Normally, contraction of the uterine muscle, compresses the vessels and reduces flow. This increases the likelihood of coagulation and prevents bleeds. Thus, lack of uterine muscle contraction can… …   Wikipedia

  • Contraction — may refer to: In physiology: Muscle contraction, one that occurs when a muscle fiber lengthens or shortens Uterine contraction, contraction of the uterus, such as during childbirth Contraction, a stage in wound healing In linguistics: Synalepha,… …   Wikipedia

  • Contraction De Braxton Hicks — La contraction de Braxton Hicks (ou fausse contraction) est une contraction isolée de l utérus qui survient à partir de la sixième semaine de grossesse, quoique la plupart des femmes la ressente seulement à partir du second ou troisième trimestre …   Wikipédia en Français

  • Uterine contraction — A uterine contraction is a muscle contraction of the uterine smooth muscle. Contents 1 Throughout menstrual cycle 2 In childbirth 3 In orgasm 4 References …   Wikipedia

  • Contraction stress test — Oxytocin A contraction stress test (CST) is performed near the end of pregnancy to determine how well the fetus will cope with the contractions of childbirth. The aim is to induce contractions and monitor the fetus to check for heart rate… …   Wikipedia

  • contraction stress test — (CST) the monitoring of the response of the fetal heart rate to uterine contractions by cardiotocography; uterine contractions may be spontaneous or induced by maternal nipple stimulation or by intravenous infusion of oxytocin (oxytocin challenge …   Medical dictionary

  • contraction — 1. A shortening or increase in tension; denoting the normal function of muscle. 2. A shrinkage or reduction in size. 3. Heart beat, as in premature c..beat. [L. contractus, drawn together] after c …   Medical dictionary


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