Usually closed: The cervix typically does not open unless you are in labor. The opening called the os, is almost always small enough for sperm to get through, even when closed. What changes at ovulation time is the cervical mucus which becomes thin, watery and copious leading up to ovulation.
Answered 11/21/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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