If there's any marks on a man from a female the police almost automatically arrest them. It doesn't even matter who started it sometimes. And in some states, like Florida, the spouse doesn't have to press charges because the state does.
The old notions that women aren't capable of domestic abuse or hurting a male are not really prevalent anymore in today's justice system.
ps. A female doesn't need a weapon to hurt a man, they can scratch, bite and kick. I've seen it take several large policemen to subdue an enraged woman on drugs or alcohol. It's worse than giving a small cat a bath and that's not really easy.