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    Weight Gain During Pregnancy

    Weight gain in pregnancy varies from woman to woman. It also depends on body type. Talk with your healthcare provider about the amount of weight gain that's best for you. Also talk with your provider about what to eat and the best ways to get exercise in pregnancy.

    Recommendations for pregnancy weight gain by BMI

      Prepregnancy body mass index (BMI)

    Total gain range 

    Rate of gain in 2nd and 3rd trimester   

     Less than 18.5 (underweight)

     28-40 lbs

     1 (1-1.3) lbs/week

     18.5-24.9 (normal weight) 

     25-35 lbs

     1 (0.8-1) lbs/week

     25.0-29.9 (overweight)

     15-25 lbs

     0.6 (0.5-0.7) lbs/week

     greater than 30.0 (obese) 

     11-20 lbs

     0.5 (0.4-0.6) lbs/week

    Source: Centers for Disease Control and Prevention

    Here's how weight gain by the end of pregnancy is distributed:

    Baby

    7.5 pounds

    Maternal energy stores (fat, protein, and other nutrients)

    7 pounds

    Fluid volume

    4 pounds

    Breast enlargement

    2 pounds

    Uterus

    2 pounds

    Amniotic fluid

    2 pounds

    Placenta

    1.5 pounds

    Blood

    4 pounds

    Source: The March of Dimes

    Online Medical Reviewer: Donna Freeborn PhD CNM FNP
    Online Medical Reviewer: Heather M Trevino BSN RNC
    Online Medical Reviewer: Irina Burd MD PhD
    Date Last Reviewed: 3/1/2023
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

    Disclaimer