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Cervical Effacement

Cervical effacement

As labor nears, the fetus's head drops down into the pelvis and pushes against the cervix. The cervix begins to thin (efface) and open (dilate), sometimes over a few weeks.

Current as of: June 16, 2021

Author: Healthwise Staff
Medical Review:
Kathleen Romito MD - Family Medicine
Adam Husney MD - Family Medicine
Kirtly Jones MD - Obstetrics and Gynecology