The commonest cause of hymen rupture is

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.