A male clownfish actually changes sex. We know this because the male clownfish goes from being capable of insemination to capable of laying eggs.

You will never menstruate or carry and birth a child, sir.

"ArE yOu SaYiNg iNfErTiLe wOmEn aRen'T wOmeN sToP rEdUciNg wOmEn tO pArTs"

Every cell of an infertile woman's body is still female. Because she is still biologically female regardless of her reproductive capabilities. Take the hair of the most passing TIF and the most passing TIM and run it through a DNA analysis then. We all know what it would show.