The International Symposium on the Differences & Disorders of Sex Development I-DSD has been very successful in attracting a rapidly expanding multidisciplinary group of experts, eager to discuss the latest advances in the field and have laid the foundation for fruitful international collaborations.

In 2021, the I-DSD/I-CAH/I-TS has a network that reaches 260 centers in 63 countries on all continents. Of these, 115 centers from 40 countries use the registries and have entered over 5,500 cases where information can be shared for a range of purposes that have the ultimate aim of improving the health of people with these rare conditions.