too much

Today I'm 15 weeks pregnant and everything has been hard for me me n my ex now the father of my unborn told me the worst news I been thinking were trying to work things out because of the baby and now yesterday he says I got a girlfriend it made me so sick I threw up I'm like how could u do this and so this whole entire time I've been pregnant you've been talkin to a girl and probably don't know that he has a baby on the way n he says she does but I doubt it this relationship has been so Rocky I've had two miscarriages by him and  now that I've made it far with this pregnancy he does this I feel horrible n it's hard to get passed all this n been dealing with him for three years I'm just trying to get in my head that I can do this with out him and be ready to do this on my own