Get to a healthy weight before you conceive, says the Institute of Medicine in the first national recommendations on pregnancy weight since 1990.
Among the new recommendations:
* A normal-weight woman, as measured by BMI or body mass index, should gain between 25 and 35 pounds during pregnancy. A normal BMI, a measure of weight for height, is between 18.5 and 24.9.
* An overweight woman — BMI 25 to 29.9 — should gain 15 to 25 pounds during pregnancy.
* For the first time, the guidelines set a standard for obese women — BMI of 30 or higher: 11 to 20 pounds.
* An underweight woman — BMI less than 18.5 — should gain 28 to 40 pounds.
What if a mom-to-be has gained too much? On average, overweight and obese women already are gaining five more pounds than the upper limit. But pregnancy is not a time to lose weight, stressed guidelines co-author Dr. Anna Maria Siega-Riz of the University of North Carolina, Chapel Hill.
"It's not, 'Hey you gained enough, now you need to stop,'" Siega-Riz said. "Let's take stock of where you're at and start gaining correctly."
Indeed, underweight and normal-weight mothers should put on a pound a week for proper fetal growth in the second and third trimesters, the guidelines say. The overweight and obese need about half a pound a week. The guidelines say women expecting twins can gain more: 37 to 54 pounds for a normal-weight woman, 31 to 50 pounds for the overweight, 25 to 42 pounds for the obese. There's not enough information to set recommendations for triplets or more.
The institute stressed that the guidelines are aimed at U.S. women, not for parts of the world with different nutritional and obstetric needs.
-- Dory Knight Ingram, Times Momma-to-be
[Associated Press; photo from Jupiterimages]


Sharon Kennedy Wynne has sunscreen in her blood. She may have been born in Buffalo but she got here as fast as she could, in time for kindergarten. She grew up in St. Petersburg, graduated from the University of Florida journalism school, and even got married at Sunken Gardens. She's one of the few adults we know who actually loves taking her kids to the beach. She has two sons and with 10 years of parenting under her belt, she's starting to feel a little less out of her league. She comes from a large family and loves to debate, so brace yourself when the hot topics come up.
Amy Hollyfield is a workaholic mother of two young
daughters, blessed to have a work-at-home husband who makes their life possible. She was born in Detroit and moved around a lot as a kid (read: Air Force brat). She has lived in Florida since the month after she
graduated from Northwestern University. She lives for the yelps, hugs and kisses that greet her on nights that she makes it home before bedtime.
Sherry Robinson was born in the Sunshine State but she feels more comfortable inside a mall than outside at the beach -- thank goodness her husband is the outdoorsy type. He takes their two sons on night hikes, beach runs and bug hunts while Sherry does her best to take care of the homestead -- and find out what is new on the store shelves. A graduate of the University of South Florida in 19noneofyourbusiness, Sherry has been at the Times for nearly 20 years. And with nearly 10 years of parenting experience, Sherry is eager to offer up some great dish on raising kids and keeping your sanity.
Guest blogger Tracey Henry, a.k.a. Suburban Diva, is a frantic, slightly frazzled mother of four. She is a freelance humor writer and author which is the only thing that parenting four children ages 12-1 trains you for, except perhaps court jester and professional bull rider. She and her husband have lived all over the country, but settled in Florida eight years ago because the beachcombing is so much better here than on the banks of the Mississippi. Their family time includes a lot of sport -- both watching and playing -- and fun in the sun and surf. Catch her in Whoa, Momma! and on her site,
Sherri Day and her husband welcomed their daughter into the world in early 2008. So far, she describes parenthood as exciting, exhausting and exhilarating. A self-described Southern belle with small-town values and big-city idealism, Sherri was born in rural Georgia. She received her bachelor's degree in journalism from Clark Atlanta University and her master's of journalism from the University of California at Berkeley. She is the Brandon bureau chief for the Times. Sherri moved to Tampa from Brooklyn four years ago.
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