Help: Telling my partner advice needed

Daniella • Here's to a healthy 9 months told my partner and he is being supportive love him to bits x

I am 22

I have used this tracker as had messed up periods I had implant for 5 month had it removed in October this yr as didn't stop bleeding whole time =/ went onto the pill u take everyday I have taken like clockwork and somehow I am pregnant found out 2 days ago in the past I have been pregnant and had one mc/ blighted ovum this yr in april but prior to that when i told my ex partner i was pregnant he left me said he would be there for his child but not me and when I was 16/17 with another partner had 2 abortions which I was forced into because everyone walked away from me including my family then but came back after and we're supportive in April's pregnancy unfortunate of the outcome, now I am pregnant again and as always I am happy I just duno how to tell my partner whom I've only been with 5 months as I'm afraid he will leave from previous experience I will not abort ever again please can people help and advice and please try not to put me down based on past decisions I was mentally and physically forced!! Thanks in advance! I really wanna tell him x