Support pls:(

So girls, I'm 16 weeks pregnant. Up until the past week my boyfriend has been absolutely so excited about this baby... Until he told his family. I wasn't there when he done it but whatever shit they have put into his head... Well they have messed up everything. They led him to believe we are too young and will struggle. (we're 21 and 22) both have stable jobs but do not live together, but we had made plans and was saving for our future. My boyfriends mum made him give me the ultimatum... Him or my baby... Well this has broken me. We have gone from everything to absolutely nothing. Long story short he didn't give me a chance and has left me and said he can't do it. Which I know is bullshit but it's what is being drummed into his head and he needs to grow up but clearly is still a child. Reason I'm writing this is I'm feeling so low. I never thought or imagined that I'd have to raise this baby alone (my 1st) and I am honestly scared so so scared. I just want advice please girls... He said he will be there for the baby but not me, yet messages and calls me every day and keeps up the same communication as when we was together??? I know only time can tell but right now I feel in a rut...

Help :(