For the mothers in the study, being underweight was defined as having a body mass index of less than 18.5. Normal weight ranged from BMI 18.5 to 24, while overweight ranged from BMI 25 to 29 ...

The bottom line: Being overweight or obese during pregnancy can increase the risk of health problems for you and your baby. Talk to your doctor about the best way to maintain a healthy weight ...

Normal weight: 25–35 lbs Underweight: 28–40 lbs In other words, if you’re overweight and pregnant or obese and pregnant, here is a good rule of thumb. Weeks 1–13 (first trimester): one to four pounds ...

If you're overweight -- meaning you have a body mass index (BMI) of 25 to 29.9 -- at the start of your pregnancy, don't gain more than 25 pounds. Women who are obese to start (with BMIs of 30 or ...

Overweight is defined as having a body mass index (BMI) of 25-29, and obese as more than 29. Guidelines for weight gain are based on the weight of the woman at the start of pregnancy.

The American College of Obstetricians and Gynecologists (ACOG) recommends women who are overweight (BMI between 25 and 29.9) should gain between 15 and 25 pounds and those who are obese (BMI of 30 ...

But right now, nearly half of U.S. women who are of child-bearing age are obese, according to a 2009 study in the Maternal and Child Health Journal. Also, obesity during pregnancy affects one ...

Most expectant mothers have normal, healthy pregnancies and babies, but the U.S. Centers for Disease Control and Prevention ranks being overweight or obese during pregnancy at nearly the same risk ...

Smoking during pregnancy and being overweight before becoming pregnant account for a sizeable proportion -- around 40% -- of the persistent social divide in childhood obesity rates, finds research ...

Roughly half of first-time mothers in the U.S. gain too much weight during pregnancy, about the same proportion who are overweight at the start, a study finds. Researchers compared data on more ...

For example, one overweight woman gained 30 pounds during her pregnancy, but reported her obstetrician expressed concern when she had gained only 10 pounds by the end of the second trimester.