Would you say congratulations to the guy if his wife has a baby?

I would, of course.

It's as much his as his wife, new addition to the family. that's always exciting.

I'm sure he's super excited to be a dad. Wonder if it's a boy or a girl..

Congrats to them both !

It is perfectly acceptable to congratulate the father, and offer your best wishes They are a family and the birth of a baby is an equally exciting event for both parents.

The child is as much his as his wife's so I see no reason to ignore the fact. I'd congratulate him.

No. you can say congrats to him too. Its very common to do so, as it is his child too. So go ahead and congratulate him, he will really appreciate it.

YES! Most guys are happy to be a father and love that people notice it!

It takes two to make a baby! I'm sure he would appreciate it.

ehh. you could he did do some work for it... would be a little weird if you are a guy tho

wait till you see a picture then say "ohhhh, he looks just like me."

Nope he will be really happy to hear it! :)