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Endometrium

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

The endometrium changes throughout the menstrual cycle. About once a month, it thickens with extra blood vessels. A pregnancy can occur if a fertilized egg attaches to, or implants in, the endometrium. If a fertilized egg doesn't implant, part of the endometrium is shed, causing menstrual bleeding.

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

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All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Endometrium

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