alleryStart learning →For vaginal birth to occur, the cervix must dilate fully to what diameter?
A5 cm
B15 cm
C10 cm
D20 cm
Answer & Solution
Correct answer: C. 10 cm
1. Childbirth is divided into three stages: cervical dilation, expulsion, and afterbirth.
2. The first stage requires the cervix to widen enough for the newborn's head to pass.
3. The required full dilation diameter directly.
4. That diameter is 10 cm.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 28 "Development and Inheritance", p.1345 §Stages of Childbirth_
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