The Mommy Diet: Tips and Tricks for Trying To Conceive

And, no, we're not just suggesting that kind of physical (although, it doesn't hurt). Cardio exercise helps build up your endurance for being pregnant. Sweeney admits she loves to run, an exercise she tried to get out of her system before each pregnancy, and then resumed afterwards. "There's something about running that I really enjoy and that's something that I think you really shouldn't do while you're pregnant," she says. "I get it out before and after." For exercise that's lower impact but great for building endurance (and getting the blood flowing), consider walking or yoga.