What Causes Enlargement of the Labia?

Enlargement of the Labia is Also Known as Labial Hypertrophy

Close-up of female body,hands on belly
Getty Images/Atsushi Yamada


What causes enlargement of the labia?


The labia is composed of the labia major, the outer lips of the vagina, and the labia minor, the inner lips of the vagina. The labia’s function is to protect a woman’s clitoris and vagina from trauma. Labial hypertrophy (lay-bee-al hi-per-tro-fee) is the enlargement of the labia. It can affect one or both sides of the labia.

There is no clear cause of labial hypertrophy.

Some women are born with large or irregularly-shaped labia. Other women may develop the condition after puberty, childbirth, or as a result of aging. It is not caused by masturbation and is not a sexually transmitted infection. Labial hypertrophy typically affects the labia minor, the inner lips of the vagina.

Many women do not have symptoms or discomfort from labial hypertrophy. Other women experience irritation, discomfort, chronic infections, pain during exercise, and sexual intercourse.

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