At the bottom of the inner folds of the vulva is the fourchette. This is where the labia minora meet. Below the fourchette is the perineum. This is also part of the vulva.

What is a female fourchette?

The fourchette, which means “little fork” in French, is the small flap of skin that joins the labia minor — or inner lips — together. Once the jewelry's in place, a fourchette piercing looks like it sits just under the opening of the vagina.

What is the difference between perineum and fourchette?

is that perineum is (anatomy) the region between the anus and the vagina in women and between the scrotum and anus in men while fourchette is (anatomy) a fork-shaped structure, specifically the fold of skin where the labia minora meet above the perineum (the frenulum labiorum pudendi).