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
Multiple pregnancies occur most commonly with: 
Select and explain. 
A. T. Clomiphene, B. T. Clomiphene and dexamethasone, C. T. Dexamethasone, D. Pulsatile GnRH therapy
D: Pulsatile GnRH therapy
Answer: D: Pulsatile GnRH therapy 
Explanation: Pulsatile GnRH therapy