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Pregnancy Weight Gain Calculator

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Calculate how much weight you should gain during your pregnancy, even if you are pregnant with twins, and get practical advice for managing your weight during pregnancy.



How tall are you?

Are you carrying twins?

If you are wondering how much weight you should gain during pregnancy, the answer depends on your pre-pregnancy body mass index (BMI), which is calculated using your age and height. While not perfect science, the results will depend on whether you are medically considered obese, average, or underweight. Keeping track of your weight with our calculator can help you achieve a healthy pregnancy, reducing complications for both you and your precious baby. Baby Corner is here to help! With articles, tools, and a supportive community of women with concerns just like you we can help answer your questions, and help you achieve a healthy pregnancy.

Related Tools & Articles

Pregnancy Weight Gain Recommendations

How much weight gain is too much? And does it really matter what you eat as long as you gain the right amount of weight for the pregnancy?

When Should My OB Be Concerned About My Weight Gain?

Most pregnant women will agree that one of their least favorite parts during pregnancy checkups is stepping on that scale. Are you gaining enough? Too much? Too little? Why and when should your doctor become concerned, and when should you?

Eating for Two the Healthy Way

Just because your caloric intake needs increase doesn't mean you have carte blanche on obtaining those calories. Make sure your foods pack a healthy punch so you get the most nutritionally from your eating choices.

Not Gaining Enough During Pregnancy

Gaining weight during pregnancy is a natural process and an important one. For most women it's not too hard to do. However, for some women, the act of gaining weight is elusive.

Eating for Three: Pregnancy Nutrition When Expecting Twins

Pregnant with twins? The math isn't as simple as doubling your calorie intake, or gaining twice the weight recommended for singleton pregnancies. However, making sure you eat right foods and gain enough will go far in preventing many complications.

Plus-Sized, Pregnant and Healthy

This is no time for a woman to begin a strict diet and exercise regimen, and you are not alone. According to the Centers for Disease Control & Prevention (CDC), about half of all women ages 25 to 55 are plus-sized.

For Members: Week By Week Weight Gain Tracker

Join us today and keep track of weight gain each week.


Read about others' weight gain journey in the comments section below, share yours, or feel free to just vent.

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Pregnancy Weight Gain Discussion

Showing 1 - 10 out of 1087 Comments
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Olivia Nov 5, 2018 09:38:07 PM ET

I'm 5'2" with a pre-pregnancy weight of 212 lbs. i'm 19 weeks pregnant and now weigh 195 lbs. to be honest, with the size my belly has gotten, i'm not concerned with the weight loss. the baby is an ideal size, and i feel eating healthier foods is causing me to lose fat, without negatively effecting the baby.

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Guest Sep 4, 2018 11:40:41 PM ET

Im 29yrs old and 22 weeks pregnant 5'5 pre weight was 120 and im at 135 currently. on my 3rd child, the first 2 were 10 years ago and i gained 35 lbs both pregnancies and felt small. this pregnancy i feel huge already and my dr said i should only be gaining half a lb a week and i'm gaining around 2 lbs a week! really hoping i'm not gaining unnecessary weight especially being older this time around, possibly making it harder to lose after!

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jazzlyne Aug 30, 2018 01:38:05 AM ET

I'm 5'4 and 31 weeks pregnant. i started out at 100 lbs. now i am 166.8 lbs. am i over weight?

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Haley Aug 15, 2018 11:07:56 PM ET

I'm 30 weeks now and my pre-pregnancy weight was 250lbs and now i weigh 233lbs. i'm not picky with what i eat and i eat all the time. but, i just can't gain the weight. my doctor doesn't seem to like my loss of weight and i'm trying to get it up. but, i'm at a loss at what to do. i had finally gained 6lbs just to lose 2lbs in 2 weeks. but, baby is measured a bit big in the 90th percentile. and my belly is measuring perfectly with the baby. any idea what i can do to gain weight healthy and safely for the baby?

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Kayyylaaa Aug 14, 2018 12:57:13 AM ET

I'm 19 weeks and my weight before was 216 and i'm now 218. very happy with this. hoping it stays low .

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Kathy Aug 7, 2018 09:47:40 AM ET

I am 37 weeks pregnant and weigh 140 pounds. pre pregnancy 120. baby weighs 7.5 pounds. i can't keep anything down anymore. every time i eat, i throw up. heartburn every single night. i eat very healthy, but i wish i could enjoy food. doctor says baby is very healthy, with a very ideal weight.

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Guest Aug 6, 2018 02:31:07 PM ET

I am 32 weeks pregnant and my weight is 144 lbs. i am 5'5 and normally weigh around 114 lbs. my doctor does not seem worried and it's def all in my belly, but it does feel like a lot of weight to be gaining. my glucose test came back negative which is good too.

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New mommy Jul 25, 2018 01:43:42 PM ET

Hey, i started off 116, i now weigh 145. i'm 28 weeks and i'm super nervous because i took a one hour glucose test and it was high. i have to take a 3 hr test next week . am i obese. is my baby going to be huge . i'm trying to keep calm but, i'm on edge.

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Robin Jul 20, 2018 05:03:26 PM ET

So, i work out everyday and i did before i got pregnant. however, i lost like 3 lbs before pregnancy and then gained 7 pounds by week 12. i am now on week 15 and have woke up to what seems like a huge stomach overnight. i try not to over eat. for breakfast it's boiled egg and oat bran measured. lunch is salad, or crackers and cheese and an apple, with 2 tbsp of peanut butter. dinner is again, salad and crackers. i lift every morning, lower and upper, and walk very fast 3.5 miles. i feel like i'm gaining rapidly and just wanna cry. any suggestions? baby #3.

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Carol Jul 12, 2018 09:58:04 PM ET

I'm almost 31 weeks, pre-pregnancy i was 5' and 314. i have had such major issues keeping anything down, even now, dropped down to 286. the doctors didn't like that at all. i've gained back about 10 lbs with a few med changes but there's no way i can get up to where they want me. but i'm trying. anyone having issues keeping food down that has tricks i can try?

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