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: Pharmacology
Initial staing dose of clomiphene citrate in case of infeility is - 
Select and explain. 
A. 30mg/d, B. 40mg/d, C. 50mg/d, D. 60mg/d
C: 50mg/d
Answer: C: 50mg/d 
Explanation: Ans. is 'c' i.e., 50mg/do It acts as a pure estrogen antagonist in all human tissues.Ovulation should be induced with clomipthene qtrate (CC), with a dose of 5O mgday staingfrom day 2 to day 6 of the cycle for 5 days.If the response to 50 mg CC is not satisfactory, the dose of CC should be increased to 100 mg/day from day 2 to day 6.