The incidence of live fetus co-existent with a hydatidiform mole is 1:
10 000-1:100 000 pregnancies. According to Vejerslev, 113 pregnancies
which consisted of live fetus co-existent with a hydatidiform mole res
ulted in 40 live born babies (1). We present here a case in which a li
ve fetus co-existed with a complete mole and was born live at 27+1 wee
k of pregnancy.