Want to know why im so worried?

the day after i left the ER i found my boyfriends phone and of course i looked in it cuz we have been having issues lately and i found out he is still talking to his ex and they are acting as if they are together and im pregnant with his child and me and him are no longer together but im going through this alone and i dont know who else to talk to about this..and i dont want to loose my baby even ifim not with the father but i just need advice..i just am so worried i miscarried and i have so much going on right now im just praying i didnt loose the baby and i hope my stress didnt cause it if i did..but wouldnt i still be bleedin if i did miscarry...i dont know ill just have to wait til thurs to see and stop being crazy.. this is my first pregnancy i just wanted everything to work out..