What to Know Before an Endometrial Biopsy
Anendometrial biopsyis a procedure where a small tissue sample is taken from the lining of the uterus, called theendometrium, to be studied under a microscope. The endometrial tissue is examined for abnormal cells or for hormonal effects on the endometrium.Science Picture Co / Getty ImagesThe uterine lining is thin after menses, and as the ovaries prepare for ovulation, estrogen levels rise, which increasingly thickens the endometrium.After ovulation occurs, the endometrium enters theluteal or secretory phase, which means that the lining has undergone a series of changes which will prepare it for a possible pregnancy....