The Perfect Pregnancy Weight: No More Eating for Two

Gaining 35 pounds during pregnancy used to be the standard.


Gaining 35 pounds during pregnancy used to be the standard. Now the American College of Obstetrics and Gynecology recommends 20 to 25 pounds at most, says Frances Crites, M.D., an OB-GYN at Presbyterian Hospital of Dallas: “Patients were getting enormous, which led to delivery problems.”

Weight gain between pregnancies can also be a problem. In a study of more than 150,000 Swedish women, Harvard and Swedish researchers found that, even in normal weight women, gaining just seven pounds between pregnancies can up the risk of high blood pressure, and stillbirth. And the chance of diabetes rose 30 percent from that small weight gain. But weight loss between pregnancies has its dangers, too. An Irish study found that women whose BMIs lowered by five or more units raised the risk of premature births.

So, whats an expectant mom to do? Crites offers her suggestions:

Dont gain fat.
Pregnancy weight breaks down like this: baby, eight pounds; amniotic fluid, three; placenta, one; extra blood, four; and a few extra for breast tissue and fluids. “Thats not fat,” says Crites. “Thats weight to support the pregnancy.”

Keep on moving.
“Most patients gain too much weight not because theyre not smart and dont know better but because they reduce their activity,” says Crites. “Its OK to go to the gym.” Check with your doctor first.

Pace your gain.
Normal and underweight women should gain about two to four pounds a month. “But if youre overweight,” says Crites, “maintain your weight within five to ten pounds.”
Dorothy Fotz-Gray
Last Updated: April 24, 2008

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