Worried!!!!

Ok so I've been with my boyfriend for a lil over 5 years and we have been through more than most people go through in a life time in the past three and a half years we have had two miscarriages and 9 months ago we had a son and he says he doesn't want more kids but I do and the other day he said if our son would of been twins he would of left me and may or may not have wanted to take one baby wit him well anyways there is a chance Im preg again and told him today and he way upset and hasn't said anything else bout it and I'm worried cuz he can do anything idk wat to do!?!?! Confused