Approximately one in every two thousand infants born in America each year is sexually ambiguous in such a way that doctors cannot immediately determine the child's sex. Some children's chromosomal sexuality contradicts their sexual characteristics. Others have the physical traits of both sexes, or of neither. Is surgical intervention or sex assignment of intersexed children necessary for their physical and psychological health, as the medical and mental health communities largely assume? Should parents raise sexually ambiguous children as one gender or another and keep them ignorant of their...