A 30 years review of congenital adrenal hyperplasia in Northern Ireland
A.E. Brain
By Zoe Brain
10 October, 2010
http://aebrain.blogspot.com/2010/10/30-years-review-of-congenital-adrenal.html (http://aebrain.blogspot.com/2010/10/30-years-review-of-congenital-adrenal.html)
The "perineal surgery" in such cases would often be clitoridectomy. Amputating the clitoris for being too big. It's likely that the surgery performed in later life, on consenting adults, was likely to be less radical, and more concerned with preserving sensation.
Two had their adrenals removed. This tissue from Intersexed children was often used in early research into birth control pills.