If it were a man who was responsible for carrying an unborn child around for 9 months and then endure the agony of giving birth, that would be all of the birth control needed.
I think that even with the not so warm response that you received when lending a hand, if the same situation were to arise again you would step in. I know I would. As you stated just recently, violence in any form is totally unacceptable and when it comes to a women being manhandled, or should I say punkhandled that's where a line needs to be drawn.
Talk later, headed to physical therapy.