15 and pregnant with the alpha's baby.

When alpha Matt turn 20,he has to find his mate so he could be stronger for the pack since it was being attacked.. When he finally found his mate it was,skylar,the pack only submissive wolf,which was also only 15. When he finally confronted skylar, skylar couldn't believe they were really mates...Since skylar wasn't mature yet he couldn't tell if they really were mates until they mated.. After everyone found out, and accepted the relationship and Matt finally mates skylar.. Skylar finds out he is pregnant,but he didn't tell no one except his mother,so what will happen when Matt gets angry and push skylar into the wall almost making him lose the baby?