So sorry you're going through this. I know exactly how you feel. Unfortunately, I have this self-destructive way of thinking that someone else is thinking something. Even if they aren't.
I was VERY upset (both with my hubby and myself) recently. I felt like he just didn't understand and obviously wasn't as interested in the whole baby thing as I was and it was just horrible.
I finally just asked him about it. I was like...Do you not want a baby? Are you not ready?
He almost cried. Apparently, it was all in my head. lol. He said that while he definitely did want a baby and was very ready for it, he just kinda kept thinking it'll all happen when it's supposed to. He didn't understand anything about the PCOS and how it works and stuff and so he didn't understand that in order for it to even be possible, there were some extra steps we may have to take.
We had a long talk and in the end it came down to the fact that he just didn't really understand and that I was paranoid! lol.
Most likely if you were just recently diagnosed, he's probably going through that too. Where he doesn't really understand what's going on or what it means. He may be just like my hubby where, he DOES want a child, he just thinks it'll happen when it's supposed to.
I would definitely suggest having a long, serious talk. If nothing else, just sit him down and explain that you know you're probably being irrational, but you still just have to get this out. (That way it doesn't sound like it's his fault and he'll be more willing to just "help" you by listening. Lots of times, that can open the door to a better conversation where nobody feels like they have to get defensive.)
Good luck.
