Klinfelter's support site. Designed to provide support and education for families and professionals dealing with these genetic conditions, including sex chromosome variations 47XXY, 48XXYY, 48XXXY, 49XXXXY, and 46XY/47XXY mosaic.

UK-based organisation that aims to increase the public/government profile of genetic conditions. The AIS Support Group (UK) is affiliated to GIG.

Includes such bitterly funny entries as "Ambiguous Genitalia: Genitalia that refuse to declare their sex to doctors--no doubt on the principle that under interrogation by the enemy you should give only name, rank, and serial number."

A long article by Emily Nussbaum in the current issue of Lingua Franca details the rise of the increasingly successful intersex social justice movement, its alliances with humanists and social scientists in the academy, and growing pockets of change within the medical community.

Information and support for intersexuals and parents of intersexuals. Articles on genital surgery, gender orientation, sexual identity, and message board.

Why it happens, what it is, what to do; see photos of hypospadias and contact others with it. Discusses androgen insensitivity, testicular feminization syndrome, development, and even ISNA.

Registered UK charity that sponsors research and education on gender identity.

About these children who comprised 2% of live births in the 1970s. They appeared to be girls at birth, but developed muscles, testes, and a penis at puberty.

Discussion of the types and causes of intersexuality.

This site will help parents and patients understand intersexuality and the challenges that accompany syndromes of "abnormal" sex differentiation. From the Johns Hopkins Children's Center.

The biology of sex is being hotly debated, as parents, doctors and researchers reevaluate what it means to be male and female. This is an article about 'gender reinforcement' surgery by a subscriber to the US branch of the AIS Support Group.