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Clin Exp Obstet Gynecol. 2012;39(2):262-4.

Complete hydatidiform mole coexisting with a live fetus.

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Department of Obstetrics and Gynecology, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.


The co-existence of a hydatidiform mole with a living fetus is a rare phenomenon. The condition is a dilemma with respect to the diagnosis and management of associated maternal (a risk of maternal complications, such as preeclampsia, hyperthyrodism, and a risk of malignancy) and fetal (elevated risk of spontaneous abortion, neonatal thyrotoxicosis) complications. A 27-year-old woman was referred to our hospital with a diagnosis of hydatidiform mole and live fetus. The pregnancy was unremarkable except for the complaints of excessive nausea and vomiting. Successive ultrasound examinations demonstrated a normally growing live fetus (14 weeks) alongside a normal placenta and an additional intrauterine echogenic mass with features of hydatidiform mole. Genetic amniocentesis at 18 weeks' of gestation showed normal diploid fetal karyotype. At 20 weeks of pregnancy, a control prenatal visit revealed intrauterine fetal death. The follow-up period for two years was unremarkable. In the case of a normal fetal karyotype and the absence of serious signs of maternal pathology, waiting until fetal viability is achieved can justifiably be proposed, however there is still a risk of prenatal complications such as intrauterine death.

[Indexed for MEDLINE]

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