Boyfriend is reacting badly

I found out I was pregnant almost 2 weeks ago. Ever since my boyfriend has been acting extremely distant, when he gets home from work he will ignore me all night until he goes to bed, and he says awful things like “have fun with your baby” for example. He also told me today that hes getting his own apartment and basically wants to break up. I dont understand because i know hes excited that im pregnant and he absolutely wants to be a part of the childs life, but since finding out hes been treating me like im nothing to him. I have brought it up several times and have tried to talk to him about his attitude but he just doesnt want to talk about it. I just dont know what to do at this point, he has never acted like this before and is normally an amazing boyfriend and i love him so much.

I guess im just wondering, do you think hes just adjusting to the fact that so much is going to be changing over the next couple of months or what. Im just so confused and upset :(