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
Drug of choice of ovulation induction in PCOD patients 
Select and explain. 
A. Tamoxifen, B. Clomiphene, C. Raloxifene, D. Metformin
B: Clomiphene
Answer: B: Clomiphene 
Explanation: Clomiphene citrate is drug of choice for ovulation induction in PCOD patients.