Is Jennifer Loper pregnant? Because if she is, she probably should stop doing the lambada with Marc Anthony for a few months โ€” a study of more than 90,000 women has shown that exercise during the first few months of pregnancy increases your chances of having a miscarriage. Dude, if we were pregs, that would be the only excuse we needed to ditch the gym and start chowing the mac 'n' cheese, cause you're gonna chub up no matter what. [Guardian UK]