I can't comment on the person in question but I have read many articles about women who were born hermaphrodites and neither they or their parents knew. They had normal vaginas and even developed breast. The shock would come when they would never menstruate and they would go to a doctor and the doctor would deliver the news.
Here is an article you must read. It will give you an idea of where I'm coming from.
Woman who was genetically a man gives birth to TWINS after doctors GREW her a womb