New guidelines have been issued for pregnant women who are obese (BMI 30+) stating they should only gain 11 to 20lbs during the course of their pregnancy. The old guidelines, developed in 1990, didn't take into account the difference between "overweight" women (BMI 25-30) and "obese" women (BMI 30+). But, due to a rise in obesity levels in the past two decades, health officials guided by the Institute of Medicine and the National Research Council, felt that the guidelines needed updating. Continue reading...