This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Hormones, Subject name: Physiology
Most common site of fertilization is? 
Select and explain. 
A. Cervix, B. Ampulla, C. Fimbriae, D. Uterus
B: Ampulla
Answer: B: Ampulla 
Explanation: ANSWER: (B) AmpullaREF: Ganong's 22nd ed chapter 23Repeat from December 2010 (obs/gyne)In humans, fertilization of the ovum by the sperm usually occurs in the ampulla of the uterine tube''