Should I tell the Dad??

Semone
So I'm due to give birth in 2 days. Dad hasn't been present but knows the date of my C-section. Last time I heard from him he said he would get DNA test when he was born. I'm debating on whether or not I should let him know when he's born. We were really good friends,best friends until I chose life for our son and he chose abortion. What should I do?