The American Psychological Association answers questions about persons with intersex conditions.
An online medical encyclopedia article from the National Institute of Health. It describes the various conditions of being intersex and offers a helpful list of support groups for intersex people. It also contains links to six other related health topics, such as endocrinology.
The archived website of the Intersex Society of North America. While the ISNA closed in 2008 to make way for other organizations, its website is still an extensive and useful collection of information about the intersex condition, with guidelines for parents and others, an FAQ, and even a teaching kit.
These FAQs from Accord Alliance focus upon comprehensive and integrated approaches for health care providers, parents, and persons with various intersex conditions, or Disorders of Sex Development (DSD).