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It is an abnormal form of pregnancy in which a non-viable fertilized egg implants in the uterus and will fail to come to term. The pregnancy is a gestational trophoblastic disease which grows into a mass in the uterus that has swollen chorionic villi. These villi grow in clusters that resemble grapes.


There are several forms of hydatidiform mole: partial mole, complete mole and persistent gestational trophoblastic tumor. Following a first molar pregnancy, there is approximately a 1% risk of a second molar pregnancy.

The incidence of hydatidiform mole varies between ethnic groups, and typically occurs in 1 in every 1500 pregnancies.All hydatidiform mole cases are sporadic, except for extremely rare familial cases.



Treatment is suction D&C and follow up with BHCG levels till return to normal and at least for 6 months thereafter

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