Accord Alliance (concerned with disorders of sex development/intersexuality)
http://www.accordalliance.org
Bodies Like Ours (support and information for people with atypical genitals)
http://www.bodieslikeours.org/forums
Hospital for Sick Children: Genital Development
http://www.sickkids.ca/childphysiology/cpwp/Genital/GenitalIntro.htm
National Institute of Child Health and Human Development—Turner Syndrome
http://turners.nichd.nih.gov
National Institute of Child Health and Human Development—Klinefelter Syndrome
http://www.nichd.nih.gov/health/topics/klinefelter_syndrome.cfm
Turner Syndrome Society of the United States
http://www.turnersyndrome.org
