Ex girl broke up with me because i wasen their for her?

hi my ex girlfri broke up wit me because i wasent their for her but i change my life to help her because she has cancer in her left arm and she needs a baby so they could cure her she needs a bonemarrow tranfer i was scare in the begin because i wasen ready to have a baby but i wanted to save her life i gave her a baby but i stop talkin to her for 2 months i was scare i dirren want to talk to nobody push away and i want a family wit her but i got my things together im askin her for a chance to prooof i could be their she knoes i love her plus her ex boyfrien text me sayin that he would help me to get back together and make it work she left to her broth house in florida and her ex boyfrien text me sayin tat she still loves but shes hurt she needs time i ask for another chance she said no but ithink shes hurt and needs time 2 decide wat she wants and all her exboy fr cheat it on her ihavin i shoul i wait and don beg to her because is makin it worst wat to you think?