Gestational trophoblastic disease

Definitions & Key takeaways

Gestational trophoblastic disease (GTD) is a group of tumors starting in the uterus's trophoblastic cells. Most cases of GTD occur during the first trimester of pregnancy, but it can also happen later. GTDs include partial and complete hydatidiform moles, gestational choriocarcinoma, placental site trophoblastic tumors, etc. Symptoms can include vaginal bleeding and pain, tiredness, and urination problems.