A<unk>  is a rare mass or growth that forms inside the uterus at the beginning of a pregnancy. It is a type of gestational trophoblastic disease (GTD).
Hydatidiform mole
Hydatiform mole
Mixed mullerian tumor
Gestational trophoblastic disease
Gestational trophoblastic neoplasia
Struma ovarii
Gestational choriocarcinoma
Placenta accreta