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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.


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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.

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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.

Discussion

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 1068 Comments
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Lilly Feb 10, 2018 02:38:40 PM ET

I am 26 weeks and have already gained 33 pounds as of a couple days ago. i weighed 110 at 5'2" before i was pregnant. i now weigh 143. is this too much? i'm scared i won't be able to lose it all. why am i gaining so much weight?

S Feb 14, 2018 03:26:21 AM ET

It could, more than likely, be water retention. there can be a lot of it. i've lost 10- 15 lbs in the first week after delivering both my kids.

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Zee Jan 9, 2018 01:14:06 PM ET

I am 10 weeks pregnant. i started with 156 pounds and now i am 160. is that normal weight gain?

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Anna Nov 30, 2017 03:27:31 PM ET

I am 32 weeks. pre pregnancy weight was 108 lbs and i weigh 121 now. 13 lbs so far, it seems like such little weight but, my dr seems okay and everything is measuring great! 8 more weeks till we meet jacelyn

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Aliza Nov 15, 2017 10:57:12 PM ET

I'm 28 weeks pregnant and my weight is 170 pounds. befor pregnancy i was 115 pounds. now i have pre-diabetes.

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Amanda Nov 13, 2017 12:17:05 PM ET

I am 30 weeks and i'm down 25 scale pounds from when i found out i was pregnant. i have been eating clean and exercising but, my baby is perfect size. if you have fat to lose, it is very possible to lose fat while gaining baby. as long as i am taking in enough calories, i am happy to be getting smaller everywhere but my belly.

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Michele Nov 8, 2017 08:22:18 AM ET

I'm 21 weeks and have only gained 2 lbs. i needed to lose weight before i got pregnant and was trying to. i weigh 174 now. but, i walk every day and stay active. 20 weeks, baby weighed 11 ounces. i'm just trying to watch what i eat so i don't gain a ton. as long as i'm being healthy.

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Wah Nov 2, 2017 04:53:32 PM ET

I am 118 and i started at 115. i am 21 weeks. i just don't want the baby to be underweight. last week he was measuring ahead but, a couple days less ahead than before. i am jealous of everyone that has gained.

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Zara Oct 15, 2017 05:57:26 PM ET

5ft2 and i have gained 37lbs. i am only 34 weeks pregnant .

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Alyssa Oct 13, 2017 12:29:21 PM ET

I'm 5'0. i started out at 125 lbs. i'm 24 weeks pregnant, and i've gained 28 pounds? i weigh 153 now. how is that even possible if i've been eating pretty fine? like only a little better than i was pregnant pregnancy.

Guest Nov 10, 2017 02:19:16 PM ET

Don't feel bad! everyone's body is different! my first pregnancy i gained 85 pounds! crazy! and i'm 21 weeks and i've gained 10 pounds so far . don't let it get to you . just look at what you're drinking versus eating .. i noticed that the sweet tea i was drinking had a lot of carbs and calories !

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Katie Oct 4, 2017 09:41:41 AM ET

I don't necessarily agree with this. i am 24 weeks tomorrow. i started my pregnancy at 159lbs. i dropped to about 150 in the first trimester from lack of appetite. at 24 weeks now i am still about 156lbs. according to this i should weigh about 165-170lbs. however, i'm not worried about my weight. at 20 weeks, my baby weighed in at 10oz and they said healthy range was 10-12oz. as long as my baby is healthy i'm not going to worry about what it says i should weigh. everyone is different.

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