Endometrial biopsy: A technique to gather a tissue sample through the uterine lining for laboratory analysis. The dilation percentage of the technique refers back to the course of action wherever the cervix or neck of the womb is gently widened to allow the curette to move in the uterine cavity. https://www.sgvascularctr.com/a-comprehensive-guide-to-uterine-fibroids-in-singapore/