In the first place, the actualities: The hymen is a thin layer, normally sickle molded, that extends over a few or the greater part of the vaginal opening. Other than human females, African elephants have hymens, and, purportedly, so do other warm blooded creature girls from rats to whales. In elephants, the hymen breaks just when females conceive an offspring. In people, however, the hymen can tear from vivacious physical exercise, yet it has been most intently connected with tearing amid first sex. In like manner, numerous societies translate an in place hymen as an underwriter of virginity.
One transformative theory proposes the hymen emerged in light of the fact that it was an attractive attribute, because of the regular societal inclination for virgin spouses. In any case, that clarification comes up short for different species. Rather, a few researchers theorize that the hymen helps keep microorganisms out of the vagina. Such contamination anticipation may give hymen-prepared female creatures a survival and conceptive edge.