Isn't it ironic, don't you think?

smack the cunt back and tell her to pick up a fucking parenting book

In a lot of countries, that would be illegal.

If this is a regular kind of occurrence, you need to get out of that environment ASAP. She may have given birth to you but she does not have a right to hit you or scream at you. Sorry if this is the case. I hope that it was a one off incident, at best.