<prompt> Incidence of choriocarcinoma is seen more after:Ectopic pregnancySpontaneous abortionNormal deliveryCesarean section  <response>: Ans. is b i.e., Spontaneous abortion Among all the cases of choriocarcinoma: 50 develop following a hydatidiform mole 25 develop following an abortion 20 develop following a full-term pregnancy and 5 develop following an ectopic pregnancy As vesicular mole is not in the options, abortion is the answer. 