This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Prophylactic chemotherapy in hydatidiform mole should preferably be given: 
Select and explain. 
A. Prior to evacuation as a routine, B. Following evacuation as a routine, C. Selected cases following evacuation, D. As a routine 6 weeks postevacuation
C: Selected cases following evacuation
Answer: C: Selected cases following evacuation 
Explanation: ptophylatic chemotherapy is not reconmended .Hence,it is advisable to follow uo the cases of molar pregnancy with serum beta hcg and institute chdmothetapy only in selected cases. Refer page no 171 of Text book of obstetrics,sheila balakrishnan,2 nd edition.