What is the purpose of a cervix?

User Avatar
Wiki User
2011-02-07 22:15:27

The cervix is the passageway between the vagina and the uterus.

The opening is generally very small, but just enough to allow

menstrual blood out, and semen in.

In labor the contractions of the uterus cause the cervix to thin

and dilate, so the baby can pass through the vagina and into the


Copyright © 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.