Past Doings Of Wife
The husband doesn’t have to do anything specifically. If he can’t live with his wife in this situation then of course he has the option of divorcing her. However, this must only be done after calmly judging the situation and due contemplation. A person is accountable for their actions in front of God after the age of maturity. As for the worldly laws, it can vary from one society to another and can also vary in time. I don’t recall any Hadith narrations for a similar case. Perhaps the following thread will be helpful: Discussion 34931