Moms who gained large amounts of weight in pregnancy are more likely to have children who are overweight later in life. Though this theory has been suspected for a long time, it has never been proven.
A very large study tracking over 1 million babies and 500,000 pregnant women showed that women who gained 44 to 49 pounds were 1.7 times more likely to have a baby with a high birth weight. Those how gained more than 53 pounds were 2.3 times more likely to have a heavy baby. The higher a baby’s birth weight the higher their risk for overweight, cancer, and asthma later in life.
Recently update guidelines from the Institute of Medicine suggest that women gain 28 to 40 pounds if underweight at the start of pregnancy, 25 to 35 pounds if they are normal weight before pregnancy, and 11 to 20 pounds is they are obese before they become pregnant.
The amount you gain in pregnancy will impact on your health and that of your developing baby. Take good care of both of you.
Source: The Lancet, 2010