Caroline Walter, pregnant with her third baby, Hillary Jebbitt and Jenny Myers (from left), both pregnant with their fourth babies in five years, hit the gym together three times a week. (Photo: www.stpimages.com)
Hillary Jebbitt says, "I know this is my last pregnancy, so I'm not giving myself any leeway. I want to get back to normal after I have this baby (Photo: www.stpimages.com)