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Sexuality and Sexual Differentiation Syndromes

Ambiguous sex syndromes

Adrenal Virilism, Adrenogenital Syndrome, 21-Hydroxylation Deficiency, 11-Beta Hydroxylase Deficiency, 3-Beta Hydroxysteroid Dehydrogenase Deficiency, 17 Alpha Hydroxylase Deficiency with 17, 20-Lyase Deficiency, 17-Beta Hydroxysteroid Deficiency, 17-Ketosteroid Reductase Deficiency, Cholesterol Desmolase Deficiency, Lipoid Hyperplasia-Male Pseudohermaphroditism

Congenital Adrenal Hyperplasia (enzyme deficiencies at different stages of hormone production, including 3-Beta Hydroxy-Steroid Dehydrogenase (HSD) Deficiency, 17-Hydroxylase Deficiency, 21-Hydroxylase Deficiency, 17-20 Desmolase Deficiency, 11-Beta Hydroxylase Deficiency, and 17-Alpha Hydroxylase).

Ambiguous Genitalia Support Network
PO Box 313
Clements CA 95227-0313
(or 428 E. Elm St. #4D, Lodi, CA 95240)
(209) 727-0313
Androgen Insensitivity Syndrome Support Network
4203 Genesee Avenue, #103-436
San Diego, CA 92117-4950
Phone: 619-569-5254
Contact: Sherri A. Groveman
National Adrenal Diseases Foundation
505 Northern Boulevard
Great Neck NY 11021
(516) 487-4992
Web site: (link temporarily not working Sept 2001)
Intersex Society of North America (ISNA)
P.O. Box 31791
San Francisco, CA 94131
Web Site:

Evaluation of the Newborn With Developmental Anomalies of the External Genitalia (RE9958), Policy Statement, Pediatrics Volume 106, Number 01, July 2000, pp 138-142, American Academy of Pediatrics, Committee on Genetics, Section on Endocrinology, Section on Urology New

United Kingdom Intersex Association (UKIA)

The Pituitary Foundation, PO Box 1944, Bristol, BS99 2UB, United Kingdom, Tel/fax: 0870 774 3355. E-mail:

Also See:

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Genetics Education Center
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Debra Collins, M.S. CGC, Genetic Counselor,


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