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
Most reversible form of infeility : 
Select and explain. 
A. Anovulation, B. EndometrosisOligospermia, C. Tubal factor, D. Oligospermia
A: Anovulation
Answer: A: Anovulation 
Explanation: Anovulation