This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Labour, Subject name: Gynaecology & Obstetrics
Controlled ARM is done: 
Select and explain. 
A. IUD, B. Maternal HIV infection, C. Polyhydramnios, D. Genital herpes
C: Polyhydramnios
Answer: C: Polyhydramnios 
Explanation: Ans. is c, i.e. Polyhydramnios:In case of polyhydramnios to prevent abruptio from sudden rupturing of membranes, controlled ARM is done.