>>52985830There are different types yes, but that pelvic bone is too narrow and elongated, no baby can pass through there. Even a woman with an android pelvic bone will still be less narrow than a male pelvic bone as men do not have to hold a womb and a baby.
Clearly Ame just got a generic skeleton without thinking about such details but even a femur can give you the sex of a person, when classified as unidentified is because most of the key parts of the skeleton are gone or damaged.