An individual who was born with anatomy or physiology which differ from cultural ideals of male and female." The newborn may have an enlarged or protruding clitoris, or a "micro-penis". In about 90% of cases, intersex infants undergo genital surgery to make them appear as a "normal" female. There is growing opposition to such surgery. As adults, they often " manifest physical characteristics, expression or identity" that differs from the sex that was assigned to them at birth.