Endometrium

The endometrium is the mucous membrane that lines the inside of the uterus (womb).

The endometrium changes throughout the menstrual cycle. It becomes thick and rich with blood vessels to prepare for pregnancy. If the woman does not get pregnant, part of the endometrium is shed, causing menstrual bleeding.

Current as of: November 8, 2019

Author: Healthwise Staff

Medical Review: Adam Husney MD - Family Medicine & Sarah Marshall MD - Family Medicine & Martin J. Gabica MD - Family Medicine & Kathleen Romito MD - Family Medicine & Kevin C. Kiley MD - Obstetrics and Gynecology

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