What is a hymen?

The hymen is a thin membrane of tissue that partially covers the vaginal opening in females. It is present from birth and is part of the external genitalia.

Important facts:

• Varies greatly in shape, size, and thickness no single "normal" appearance.
• Has no known biological function.
• Can be stretched or torn by physical exercise, tampon use, or medical examination not only by sexual intercourse.
• The belief that an intact hymen indicates virginity is scientifically false and socially harmful.

Summary: The hymen is a thin vaginal membrane with no known biological function, and its state cannot reliably indicate virginity a critical scientific fact countering widespread misconceptions.