The mucosal lining of the cavity of the uterus is called the endometrium. It is this lining which undergoes changes over the course of the monthly menstrual cycle, sloughes off and becomes part of the menses. A biopsy of the endometrium is used to check for disease or problems of fertility.

Review Date: 9/11/2000 12:00:00 AM Reviewed By:J. Gordon Lambert, MD, Associate Medical Director; G. Eric Morgan, MS3; RxRemedy

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