I don't believe there is anything that is true of all women who have an F on their birth certificate.

The biological definition of female is the sex which produces the egg, which is defined as the larger reproductive cell.

However, not all cis women ovulate. Not every cis woman is born with a working set of ovaries.

Having a vagina? Vaginal agenesis, where the vagina does not form at all, is about 1 in every 5,000 female births.

So., no, there is no example, nothing that is not only generally true. Whatever physiological feature you choose, you are going to find women who don't have it.