Cervical opening: The cervical opening (os) has two parts, the internal opening which is the most important for maintaining the integrity of the pregnancy until it is delivery time, and the external opening which is visible in the vagina.
Answered 10/24/2017
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A doctor has provided 1 answer
4 doctors weighed in across 4 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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