I need advice please🚫🚫🚫

Cassie • Momma of Three Graci 5-7-15 Graeson 9-7-16 Gabriel 8-6-19! Angel Momma of Two Nov 2015 and Twin B Jan 19 2016!
So me and my ex fiance were ttc baby 2 and i told him i was pregnant again expecting him to be so happy well to my surprise he got angry was hitting things in the car screaming telling me its all my fault told my hes not ready to be a father despite having an 8 month old and told me he wasnt ready to be in a relationship... He said i cause him to much stress and he hasnt talked to me since.... Idk what to do i love him and i want to be a family but he hasnt seen his daughter since Christmas hasnt asked to see her at all doesnt pay child support anymore and imafraid  hes gonna take my baby away any advice??