This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Multiple Pregnancy, Subject name: Gynaecology & Obstetrics
The main complication associated with multiple pregnancy: 
Select and explain. 
A. PPH, B. Twin interlocking, C. Foetus papyraceous, D. Eclampsia
A: PPH
Answer: A: PPH 
Explanation: Ans. A. PPHPPH is the real danger in twins due to:a. Atony of uterine muscles due to overdistension of uterus.b. Longer time taken by big placenta to separate.c. Bigger surface area of the placenta exposing more uterine sinuses.d. Implantation of a part of placenta in lower segment which is less retractile.