no it's the perineum.
The pelvic floor is also called the pelvic diaphragm.
The bottom of the cavity formed by the pelvis (the internal space where all the pelvic organs are).
The female pelvis is wider than the male pelvis. This is to make birth easier and more efficient.
Breath out or exhale while you suck up your pelvic floor muscle
Because women need a way to give birth, and men don't. So women's hips are wider, men's more narrow.