Endometrial biopsy: A technique to gather a tissue sample from the uterine lining for laboratory Examination. The uterus has two levels: an outer lining of muscle mass and an interior lining identified as endometrium which thickens and sheds for the duration of a woman’s menstrual cycle. Endometrial cancer (uterine cancer) https://www.sgvascularctr.com/a-comprehensive-guide-to-uterine-fibroids-in-singapore/