A Rare Case Report of Molar Pregnancy with Coexisting Fetus

Aim: Here we report a molar pregnancy with a coexisting fetus progressing to a viable, healthy infant which is an extreme rarity, with the incidence of 0.005–0.01% of all the pregnancies. Background: Partial mole is defined as excessive trophoblastic proliferation with normal and hydropic villi and presence of a fetus or a fetal circulation with nucleated cells. Partial molar pregnancy with a singleton live fetes is a rare condition. it is commonly seen with twin gestation and it is rare with singleton pregnancy Case report: A 30 years old primigravida, referred from a private hospital at 38 weeks of gestation delivered a phenotypically normal and healthy infant 2200 gm in weight by caesarean section. The placenta weighed 500 gms and on sectioning revealed widespread, grape-like vesicles. Light microscopy revealed normal villi coexisting with villi showing hydropic change and cistern formation and diffuse circumferential trophoblastic hyperplasia consistent with molar change. A diagnosis of partial molar pregnancy with normal fetus was made. Conclusion: Very few twin pregnancies with a hydatidiform mole and a foetus continue to term as they often have spontaneous or induced terminations for maternal complications Management of molar changes associated with normal appearing fetus still remains challenging as not many studies have been done due to rarity of this disorder. Clinical significance: Though the general trend is to terminate pregnancy in foetus with coexistent mole in anticipation of complications, under close surveillance, optimal outcomes can be achieved. Monitoring of serum β-hCG, serial ultrasound for fetal growth, size of molar component, and theca lutein cysts can help to predict good patient outcomes.