Neither a girl nor a boy, or a little of both…The interesexes from an invisible community that does not have any real legal, social or even medical status. Is it a pathology, an anomaly, or a difference among many? In civil status in any case, there are only two boxes to check : masculine or feminine. So, should we assign a sex to these babies by operating them from birth? This is still the case in France, where every year, out of 2000 children, irreversible surgeries are perfomed. Luck or curse?