双语教学

Explain of Female Genital Pathology

90.Partial hydatidiform mole, gross

This is a partial mole that occurs when two sperms fertilize a single ovum. The result is triploidy (69 XXY). Only some of the villi are grape- like, and a fetus can be present, but rarely survives past 15 weeks.

（本图片资料来源自美国犹他大学）