This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impotency, Virginity, pregnancy & aboion, Subject name: Forensic Medicine
The commonest cause of hymen rupture is 
Select and explain. 
A. Sanitory tampons, B. Masturbation, C. Sexual intercourse, D. Vigorous exercise
C: Sexual intercourse
Answer: C: Sexual intercourse 
Explanation: Causes of Rupture of Hymen i. Sexual intercourse: Commonest cause of defloration. ii. Masturbation, especially with some large foreign body. Hymen is not injured in most cases, as manipulation is usually limited to pas anterior to the hymen. iii. An accident, like fall on a projecting substance or by slipping on the furniture or fence. It does not rupture by jumping, riding, vigorous exercise and dancing. iv. Gynecological examination or surgical operation. v. Foreign body inseion for rendering minors fit for sexual intercourse. (sola pith ) vi. Sanitary tampons.