The grape-like villi of a hydatidiform mole are seen here. With molar pregnancy, the uterus becomes large for dates as the pregnancy progresses, but no fetus is present. Maternal serum HCG levels are often markedly elevated. Patients with a hydatidiform mole are often large for dates and have hyperemesis gravidarum more frequently. Patients may present with bleeding, and may pass some of the grape-like villi.