But on the other hand, if Female Pattern Baldness is not in your genes, then it might be caused by any of these: childbirth, thyroid hormone imbalance or menopause hormonal change.All of these causes can make your hair becomes thinner, and then in due course, you will lose your hair. Some people lose their hair swiftly than other people and they felt like they have no other option to prevent it from really happening to them.