This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Not associated with twin pregnancy: March 2009 
Select and explain. 
A. Pre-eclampsia, B. Oligohydramnios, C. Antepaum hemorrhage, D. Atonic uterus
B: Oligohydramnios
Answer: B: Oligohydramnios 
Explanation: Ans. B: Oligohydramnios Maternal complications of multiple pregnancy: Anemia Pre-eclampsia (25%) Polyhydramnios (10%) Malpresentations Preterm labour (50%) Early rupture of membranes Prolonged labour Postpaum hemorrhage due to uterine atony Sub-involution of uterus Antepaum hemorrhage