Cervix changes: Lets restate your question. Your cervix is normally closed. Reasons for it to open involve the passage of material through it. For example, your cervix opens to allow the passage of menstrual blood. It opens in labor to allow passage of the fetus. It can spontaneously open to allow passage of a pregnancy as in a miscarriage. So, normally it is closed. It opens so that the uterus empties.
Answered 9/24/2014
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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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