How Much Weight Should Pregnant Woment Gain?

 Updated guidelines from the Insitute of Medicine say obese women should only gain 11-20 pounds during pregnancy. The recommendation adds to the agency's previous advice that overweight women gain 15 to 25 pounds, normal-weight women add 25 to 35 pounds, and underweight women put on 28 to 40 pounds during pregnancy. Click here for more information on weight guidelines for pregnant women.