Neither a girl nor a boy, or a little of both…The interesexes form 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 surgical means at birth? This is still the case in France, where 2000 irreversible surgeries are performed on children every year.. Depending the condition, choosing the wrong sex at birth may be as high as 60%. Luck or curse?