you should report to police. Otherwise, you don't have chance to get most child custody.
If he rather choose his mom, and divorce with you, you only get half property, half time of kid.
you can also report to child protection organization now. If he push you in front of kid, that's also child abuse. Talk to your family couselor. It's free with your employee assistant program in your company. Do everything to make him have record. It's in a favor when you divorce.