yep, that all sounds right My DH has Kleinfelters syndrome and we found out when we started trying to concieve a bubba We now know that my DH is totally infertile in fact he ended up having his testes removed as they were extremely underdeveloped (size of an infant) and they were extremely painful.
We have one DD and one bubba on the way thanks to IVF and DS.
My DH didn't have testosterone treatment during puberty as It wasn't diagnosed till a lot later.