Treatment of intersex in humans depends upon the age at which the diagnosis is made.

Historically, if diagnosed at birth, the choice of sex was made (typically by parents) based on the condition of the external genitalia (i.e., which sex organs predominate), after which so-called intersex surgery was performed to remove the gonads of the opposite sex.

The reconstruction of female genitalia was more readily performed than the reconstruction of male genitalia, so ambiguous individuals often were made to be female.invertebrates such as worms, bryozoans (moss animals), trematodes (flukes), snails, slugs, and barnacles—are usually parasitic, slow-moving, or permanently attached to another animal or plant.In humans, conditions that involve discrepancies between external genitalia and internal reproductive organs are described by the term .She even breathed young, and in fact it was just before her 24th birthday.We met on a balmy afternoon in August, two days after Robin Williams's suicide and a day after Lauren Bacall's death, at the age of 89, in New York City.