how to tell my dad

So I have had some pregnancy's in the past and had a lot of complications because of how bad my health was but now that I am healthily I think I'll be fine and I really want to tell my dad but I don't know how because in the past he had told me he didn't want to have another generation under his roof but I'm no longer living with him and I have a place with my man who loves me and is so happy about he almost can't shut up :) but I REALLY want to tell my dad I was thinking about doing our wedding invite and having an ultrasound photo fall out of it or I was gonna buy my dads fav. Beer and wrap one can with it ...what do you guys think ? And if you have any ideas please tell :)