he wasnt happy

Told my ex that I'm pregnant he is not happy about it and wants me to get an abortion he said he is to young to take care of child and has so much going on with his life i told him i do to I didn't plan this and he said there no way its his he has been the only guy i been with in a year so its definitely him I'm not an easy girl im not ready for a kid but i don't believe in abortion and my family wouldnt let me give up my baby what should I do with him?