How Much Pregnancy Weight Should You Gain?

stepping scale

By Julianne Deveraux forBaby + You

While gaining some extra pregnancy weight is essential to your pregnancy wellness and your unborn baby’s development, gaining too much can be detrimental to both of you.

How Much Pregnancy Weight Should You Gain?

During your first office visit, your doctor will probably tell you how much pregnancy weight to gain during the nine months of your pregnancy. It’s recommended that you gain:

  • 25-35 pounds if you were healthy weight before becoming pregnant (with a body mass index (BMI) of around 18.5 – 24.9).
  • 11–25 pounds if you’re overweight or obese before becoming pregnant (with a BMI over 25).
  • 28-40 pounds if you’re underweight (with a BMI of less than 18.5).

Try for a slow and steady pregnancy weight gain, but remember that all women gain at different rates.

  • During the first trimester of your pregnancy, you’ll gain only about 1-4.5 pounds total.
  • During the second trimester of your pregnancy, you’ll gain about 1 pound a week.
  • During the third trimester of your pregnancy, you’ll gain about 1 pound a week.

All in all, by your due date, you’ll probably feel that your pregnancy weight gain has been enormous — especially since a baby weighs only about 7 pounds. What accounts for all of those added pounds?

MORE: Foods to Avoid During Pregnancy }

Your total pregnancy weight gain is almost equally divided between the baby (including placenta and amniotic fluid) and your body (expanded blood volume, uterus growth and enlarged breasts). Normally, there’s also a little maternal fat storage, which is essential for a healthy baby.

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What do you think?

How Much Pregnancy Weight Should You Gain?

Tell us what you think!

30 comments

  1. Daili says:

    I lost weight during the first trimester and have been feeling better for the last few weeks but I haven’t gained any weight yet… should I be concerned?

    • Megan Klay says:

      Hi Daili – Losing weight during the first trimester is fairly common, especially if you’re experiencing morning sickness or a loss of appetite. Be sure to discuss this with your doctor at your next visit so they can provide you with a solid guideline for weight gain based on your height, weight, and medical history. You’ll find many helpful articles in our Pregnancy Nutrition & Eating Well section: http://www.everydayfamily.com/pregnancy-eating-well/ too. Best wishes for a happy and healthy pregnancy!

  2. Alanna says:

    Right now I haven’t gained enough and I’m 16 weeks along.

  3. Anna says:

    As long as you’re taking care of yourself, it doesn’t really matter. You gain what you gain. With my DS, I gained 43 pounds, but most of it was water weight (I lost 30 pounds in the first week after he was born!). This time, I’m 16 weeks and have only gained 2 pounds so far, but I’m not worrying about it. I know the baby’s healthy cuz I can feel it moving around in there!

  4. Lydia says:

    I’m 22 weeks & I feel I only gained about 5 lbs yet I’m obviously showing now. I lost almost 10 pounds at first but now I feel like I’m not gaining enough & getting worried :/

  5. i’ve gained 33lbs during my pregnancy, but it was mostly belly (baby) and hips/thighs. and she came to be 6lbs and 12oz 🙂

  6. i’ve gained 33lbs during my pregnancy, but it was mostly bell (baby) and hips/thighs. and she came to be 6lbs and 12oz 🙂

  7. Phammom says:

    It’s fun to eat but try for all healthy foods with junk food for a treat here and there.

  8. Heatherly says:

    This is really interesting. I have gained anywhere from 35 to 50 lbs. Yuk! This time I’ve lost 5 lbs so far….and I’m 14 weeks along. I think it’s because I’ve given up white sugar a month ago.

  9. Chante1955 says:

    I’ve gain 20lbs already and I’m not even in my third trimester.

  10. Jesyka says:

    I’m 20 weeks. Started at 116lbs. and I’m 135lbs already. Sometimes there’s not much you can do to control gaining weight. This is my third child. Been 14 years since my last pregnancy. Previous babies were huge babies. Loosing all of the extra pounds was easy before. Hopefully the same thing happens this time around.

  11. lyndsey says:

    I am 32 weeks and I have gained 16 lbs and im going to gain more my doc says. I dont want to gain any more! im not at 200lbs yet and i dont want to get to it either!

  12. Aiden says:

    So far I gained 22 lbs

  13. Sierra-Dawn says:

    I only gained 3lbs but I was extremely sick my first and half my second trimester loosing over 20lbs

  14. Holly says:

    I gained a total of 32 pounds

  15. katherine says:

    I gained 20 pounds

  16. I’m 29 weeks. I started at 116lbs and I’m about 140lbs now so that’s about 24lbs I’ve gained. 🙂 I never thought I’d ever be this happy to gain this much weight.

  17. verochka31 says:

    24 weeks and gained 17 lbs so far. Dr’s. expect me to gain 25-35 lbs. my goal is 25 lbs, 30 the most. this is my 5th pregnancy. the less I gain during pregnancy the easier it is for me to lose after the baby. especially after a c-section

  18. samantha says:

    I have already gained ten pounds at 15 weeks. I started out at 106 and my doctor says I need to slow it down but i,I’m doing everything I’m supposed to it’s very frustrating because I don’t want to deprive my child but I also don’t want to gain more than I’m supposed to.

  19. ive gained a lot and its actually really depressing and i even walk and try to stay as fit as i can! some peoples bodies just are completely different than others.

  20. mamadee2x says:

    Moderation is the key.

  21. mrskstacy says:

    I haven’t gained any weight. I’m still in my first trimester, but I’ve actually lost a few pounds due to healthy eating and walking.

  22. marylove says:

    I charted my weight gain just to see how I was doing and I was all over the place! There still has been an increase but one week I would gain 3 pounds and then not gain anymore for a few weeks… It’s kinda crazy to see how the body works when it comes to weight gain!

  23. Anna says:

    I am 29 weeks and already gained 30 pounds…

  24. Angelwings says:

    I haven’t gained any weight. But my belly is 42 inches so I no longer care whether I gain or not. My baby is gaining I’m losing all by eating healthy and a 2 mile walk 2-7 a week depending on weather

  25. Alyssa says:

    I am a scared to gain weight and not be able to loss it after my delivery how can I prevent this?

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