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  2. Vaginal delivery - Wikipedia

    en.wikipedia.org/wiki/Vaginal_delivery

    The latent phase is defined by cervical dilation of 0 to 6 cm. The active phase is defined by cervical dilation of 6 cm to 10 cm. Second stage of labor starts when the cervix is dilated to 10 cm and finishes with the birth of the baby. This stage is characterized by strong contractions and active pushing by the mother.

  3. Cervix - Wikipedia

    en.wikipedia.org/wiki/Cervix

    [35] [36] The second phase of labor begins when the cervix has dilated to 10 cm (4 in), which is regarded as its fullest dilation, [31] and is when active pushing and contractions push the baby along the birth canal leading to the birth of the baby. [34]

  4. Cervical dilation - Wikipedia

    en.wikipedia.org/wiki/Cervical_dilation

    Cervical dilation (or cervical dilatation) is the opening of the cervix, the entrance to the uterus, ... The Thinking Woman's Guide to a Better Birth, details how ...

  5. Childbirth - Wikipedia

    en.wikipedia.org/wiki/Childbirth

    In the US, the definition of active labour was changed from 3 to 4 cm, to 5 cm of cervical dilation for multiparous women, mothers who had given birth previously, and at 6 cm for nulliparous women, those who had not given birth before. [45] This was done in an effort to increase the rates of vaginal delivery. [46]

  6. Dilation and evacuation - Wikipedia

    en.wikipedia.org/wiki/Dilation_and_evacuation

    The concern is that performing the dilation too soon before the surgery could increase the risk of preterm birth should the woman ever carry a subsequent pregnancy to term. [ 18 ] [ 19 ] However, for dilation and evacuation at greater than 20 weeks gestation, at least one day of cervical preparation is recommended, with the option of serial ...

  7. Bloody show - Wikipedia

    en.wikipedia.org/wiki/Bloody_show

    Bloody show or show is the passage of a small amount of blood or blood-tinged mucus through the vagina near the end of pregnancy.It is caused by thinning and dilation of the cervix, leading to detachment of the cervical mucus plug that seals the cervix during pregnancy and tearing of small cervical blood vessels, [1] and is one of the signs that labor may be imminent. [2]

  8. Prenatal development - Wikipedia

    en.wikipedia.org/wiki/Prenatal_development

    Different terms are used to describe prenatal development, meaning development before birth. A term with the same meaning is the "antepartum" (from Latin ante "before" and parere "to give birth") Sometimes "antepartum" is however used to denote the period between the 24th/26th week of gestational age until birth, for example in antepartum ...

  9. Postpartum physiological changes - Wikipedia

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

    It will contract midline with the umbilicus. It begins its contractions and by twelve hours after the birth it can be felt to be at the level of the umbilicus. [9] The uterus changes in size from one kilogram to 60-80 grams in the space of six weeks. After birth, the fundus contracts downward into the pelvis one centimeter each day.