Hermione had to rein in every ounce of self-control she possessed to keep from launching her entire body across the room at the wizard's throat. There was a strict "No Violence" policy that Temeritus was quick to remind them of when it became evident that violence could easily become an issue. Likely that was Rabastan's angle from the very beginning. How he would even know about her past pregnancies was beyond her. It wasn't as if she ever mentioned it to him or even to his brother.