An endometrial biopsy is a way for your physician to take a small sample of the lining of the uterus (endometrium). The sample is sent to a pathologist and looked at under a microscope for abnormal cells. An endometrial biopsy helps your doctor find any problems in the endometrium.
A soft, straw like device (pipelle) is used to suction a small sample of lining from the uterus. This method is fast and is not very painful.
An endometrial biopsy is done to: