Not how I imagined things

I'm 14 weeks 1 day pregnant and me and my partner have broken up I'm beyond annoyed because we planned this pregnancy and when we found out he was excited last few weeks he's just acted up didn't show up to the first scan and didn't even let me know until an hour before the appointment, implied he wants a break found out a day later after he said this he was with another female who he claims is his friend I just don't need this right now and if I have to do this alone I will I'm a strong women but it really is not what I imagined 21 and being a single mother before the baby's even arrived :(