Partial hydatid mole with live fetus at third trimester of pregnancy

This is the case of a partial hydatid mole with a live fetus at thirty two weeks pregnancy diagnosed and treated in Obstetrics Service of "Carlos Manuel de Cespedes" Bayamo, Cuba and a review on this subject in the national and international literature. Coxistence of this type of above mentioned mole is a uncommon entity, usually has been associated with a high risk of spontaneous abortion, intrauterine death, preterm labor, pre-eclampsia , hyperthyroidism and malignancy. Its characterization is the result of a diandric triploidy and the presence of progressive and slow hydatiform changes associated with an identifiable abnormal fetus or embryo (live or death), membranes or fetal erythrocytes. The poor prognosis of pregnancy and the mother risks lead to a dilemma on he immediate or not termination of pregnancy. In present case at diagnosis a cesarean section was carried out with a good maternal and perinatal results.