Most common hymen rupture in a virgin is -

Ans. is 'c' i.e., Posterolateral Hymen rupture:o Congenital: anterioro Due to intercourse or foreign body: posterolateral ( 4/8 or 5/7 O' clock) > posterior (6 O' clock),o In virgin rupture (tears) of hymen due to sudden tretching occurs in posterior half of membrane usually at the sides (i.e. posterolaterally) in 4 or 8'O clock or 5 or 7'0 clock position, or in the midline of hymen (6'0 clock position).o With first intercourse tears usually occur in posterior midline because the hymen lies suspended across a potential space here,, whereas anteriorly periurethral tissues buttress the hymen,o More than 2 tears are unusual. Semilunar hymen often ruptures on both sides. Annular hymen which nearly closes up the vaginal orifice may suffer several hymenal lacerations indicate first sexual intercourse,o One deep 'V shaped cleft/tear at 6' O clock or a number of clefts usually in posterior hafl hymen membrane indicate passage of any object through hyme orifice which is larger its original opening. 'o In prepubertal children posterior tear may involve fourchette producing a deep U shaped defect. Fourchette is tom, fossa navicularis disappear and posterior commissure may be ruptured. The latter injury' usually does not occur in consenting sexual intercourse unless there is much disproportion between the male and female parts.