INFOGRAPHICPREGNANCY

What Is the Cervix?

By Twill Care Editors
Reviewed by Alyssa Quimby, M.D.
October 31, 2023
cervix noun The narrow opening between the vagina and the uterus.

The cervix is the narrow opening between the vagina and the uterus. In late pregnancy, the cervix softens and shortens (effaces). During labor, it opens (dilates) to 10 centimeters, so the baby can pass through.

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