A hydatidiform mole is an abnormal pregnancy, in which there is hyperplastic development of the placenta, which often develops into a mass of small vesicles or cysts. The name “hydatidiform” refers to ...

invasive mole, gestational choriocarcinoma and placental-site trophoblastic tumor (PSTT); [1] the latter three are sometimes referred to as gestational trophoblastic neoplasia. Gestational ...