Washington D.C [USA] Sep 08 (ANI): Lifestyle changes sure have a lot of benefits even for overweight pregnant women. One can reduce complications during pregnancy if they change their diet and lifestyle before their pregnancy period starts a new study has revealed. Many overweight and obese women gain too much weight during pregnancy further ratcheting up their already-increased risk of serious complications for themselves as well as the babies. A new group of trials funded by the National Institutes of Health (NIH) showed that pregnant women can safely limit their weight gain with diet and exercise interventions. The trials included