actually that is a common misperception. we all start out undifferentiated.
not female. If you stop the development process then you have a genderless baby other than by looking at the chromosomes.
it is a common mistake pushed by pop culture science.
by that logic since all fetuses are little blobs at the start of life, then all fetuses start as dolphins, dogs, cats, or any other pc creature de jour.
I was just tryin’ to get some protection for males (and the right to use those empty handicapped slots...).