As Cherry Lane suggests check out the Cares site www.caresfoundation.com under -treatment,  then  -surgery considerations you will find helpful information. Also check out  www.sickkids.ca/childphysiology this site has clear diagrams and information about CAH and  genital development. Also the book listed above, Congenital Adrenal Hyperplasia, A Parent’s Guide has a chapter on Surgery.Hope this helps.