| Adrenal hyperplasia network | AHN Provides support for all ages with Congenital Adrenal Hyperplasia (CAH), particularly adults and teenagers. |
| ALD LIFE | ALD LIFE aims to help all affected by or interested in adrenoleukodystrophy and adrenomyeloneuropathy, whether personally or medically. |
| AMEND | Association for Multiple Endocrine Neoplasia Disorders. |
| Androgen Insensitivity Group | Support to young people and adults with complete and partial Androgen Insensitivity Syndrome (AIS). |
| Anorchidism Support Group | The Anorchidism Support Group was formed to serve and support any person, or families of boy's, with congenital (or acquired) absence of the testes. |
| Living With CAH | The site provides support for parents, families and carers of people with CAH as well as for CAH sufferers themselves. |
| Child Growth Foundation | The Foundation is the UK's leading charity relating to children's growth |
| Diabetes Insipidus Foundation | Support group |
| Down's growth charts | Downloadable Down's charts |
| Endocrine Society | The Endocrine Society is dedicated to promoting excellence in research, education and clinical practice in the field of endocrinology. |
| ESE | European Society of Endocrinology |
| ESPE | European Society for Paediatric Endocrinology |
| ESPU | European Society for Paediatric Urology |
| Endolinx | Good site for endocrinology news and developments |
| The Hormone Foundation | The Hormone Foundation is dedicated to serving as a resource for the public by promoting the prevention, treatment and cure of hormone-related conditions. |
| HYPOHH.net | A patient support organisation for people with one of a specific group of rare hormonal diseases called hypogonadotrophic hypogonadism |
| Hypoparathyroidism Association | The Hypoparathyroidism Association is devoted to all forms of hypoparathyroidism, a rare medical disorder in which the parathyroid glands fail to produce sufficient amounts of the parathyroid hormone |
| Hypoparathyroidism UK | HPTH UK is the only organisation dedicated to improving the diagnosis, prevention and treatment of hypoparathyroidism and other parathyroid conditions in the UK. |
| Infertility Network UK | Infertility Network UK are the UK’s leading infertility support network, and we’re here to offer information and support to anyone affected by fertility problems. |
| Intersex Society of North America | The Intersex Society of North America is a resource for people seeking information and advice about atypical reproductive anatomies. |
| Intersex | Patient and family information from John Hopkins. |
| Japanese Society for Pediatric Endocrinology (JSPE) | JSPE has just launched the English Home Page. |
| Johns Hopkins University | Division of Pediatric Endocrinology in the Department of Pediatrics at the Johns Hopkins University in Baltimore. |
| Kallmanns.org | This website has been set up to provide information for patients with Kallmann syndrome and their family and friends in addition to any healthcare professionals keen to learn more about this rare condition. |
| Klinefelters Organisation | A not for profit organisation providing mutual support and information to Klinefelter sufferers and their families, and furthering awareness of KS in the UK. |
| Klinefelters Syndrome Association UK | This site exists to support all those affected by Klinefelter's Syndrome (KS). |
| Learning about growth | Serono-sponsored Information site. |
| PES | Pediatric Endocrine Society (formally the Lawson Wilkins Pediatric Endocrine Society). |
| NCHS US charts | National Health and Nutrition Examination Survey - 2000 CDC Growth Charts: United States. |
| Noonan's syndrome | |
| Pituitary Foundation | |
| Sick Kids, Child Physiology | The genital development page was developed to help parents who have a child born with a urogenital condition and or a genital difference. |
| Scottish Genital Anomaly Network | A network of a multidisciplinary group of health care professionals with the aim of providing an optimal level of care to affected patients through the development of a managed clinical network (MCN). |
| Society for Endocrinology | The Society for Endocrinology aims to promote the advancement of public education in endocrinology. |
| Society for the Study of Inborn Errors of Metabolism | The aim of the Society is to foster the study of inherited metabolic disorders and related topics. |
| Testosterone Deficiency Centre | |
| Turner Syndrome Support Society | The aim is to offer support & information to girls & adult women with Turner Syndrome, their families and friends. |
| WHO growth database | Global Database on Child Growth and Malnutrition |
| XYXO | Mixed Gonadal Dysgenesis Support group |
| You & your hormones | You & Your Hormones is a website aimed at patients and the general public that provides accurate and reliable information on hormones and hormone-related conditions. |