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  2. Postpartum physiological changes - Wikipedia

    en.wikipedia.org/wiki/Postpartum_physiological...

    After birth, the fundus contracts downward into the pelvis one centimeter each day. After two weeks the uterus will have contracted and return into the pelvis. [9] The sensation and strength of postpartum uterine contractions can be stronger in women who have previously delivered a child or children. [10]

  3. Cervical dilation - Wikipedia

    en.wikipedia.org/wiki/Cervical_dilation

    In the later stages of pregnancy, the cervix may already have opened up to 1–3 cm (or more in rarer circumstances), but during labor, repeated uterine contractions lead to further widening of the cervix to about 6 centimeters. From that point, pressure from the presenting part (head in vertex births or bottom in breech births), along with ...

  4. Uterine contraction - Wikipedia

    en.wikipedia.org/wiki/Uterine_contraction

    These labour contractions are characterized by their rhythmic tightening and relaxation of the myometrium, the most prominent uterine muscle. Labour contractions primarily serve the purpose of opening and dilating the cervix, [7] which leads to the assisting of the passage of the baby through the vaginal canal during the first stage of labour.

  5. Ladin's sign - Wikipedia

    en.wikipedia.org/wiki/Ladin's_sign

    Ladin's sign is a clinical sign of pregnancy in which there is softening in the midline of the uterus anteriorly at the junction of the uterus and cervix. It occurs and is detectable with a manual examination at about 6 weeks' gestation. [1] Ladin's sign is often present during the woman's first pelvic exam when pregnancy is suspected. [2]

  6. Cervical weakness - Wikipedia

    en.wikipedia.org/wiki/Cervical_weakness

    In a normal pregnancy, dilation and effacement occurs in response to uterine contractions. Cervical weakness becomes a problem when the cervix is pushed to open by the growing pressure in the uterus as pregnancy progresses. If the responses are not halted, rupture of the membranes and birth of a premature baby can result.

  7. Ferguson reflex - Wikipedia

    en.wikipedia.org/wiki/Ferguson_reflex

    The Ferguson reflex (also called the fetal ejection reflex) is the neuroendocrine reflex comprising the self-sustaining cycle of uterine contractions initiated by pressure at the cervix, more precisely, the internal end of cervix, or vaginal walls. It is an example of positive feedback in biology. The Ferguson reflex occurs in mammals.

  8. Fetal distress - Wikipedia

    en.wikipedia.org/wiki/Fetal_distress

    Biochemical signs, assessed by collecting a small sample of baby's blood from a scalp prick through the open cervix in labor fetal metabolic acidosis; elevated fetal blood lactate levels (from fetal scalp blood testing) indicating the baby has a lactic acidosis; Some of these signs are more reliable predictors of fetal compromise than others.

  9. Cervix - Wikipedia

    en.wikipedia.org/wiki/Cervix

    The cervix grows in size at a smaller rate than the body of the uterus, so the relative size of the cervix over time decreases, decreasing from being much larger than the body of the uterus in fetal life, twice as large during childhood, and decreasing to its adult size, smaller than the uterus, after puberty. [10]