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
Hypospadias in the baby is caused by maternal use of which of the following drug ? 
Select and explain. 
A. Diethylstilbestrol, B. Tolbutamide, C. Clomiphene, D. Clobazam
C: Clomiphene
Answer: C: Clomiphene 
Explanation: None