The first trimester of pregnancy is infamous for being a fitness deal-breaker. I can’t tell you how many stories I’ve heard of moms who were training for marathons one week, then stuck in bed drinking chicken broth and eating Saltine crackers the next. If you’ve been in this situation, you know the feeling of helplessness and frustration it can cause, especially if you’re training for an event. Continued at BreakingMuscle>>