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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.

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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

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

I�m almost 31 weeks, pre pregnancy i was 5�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 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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Nancy May 8, 2018 04:05:35 AM ET

I just got to week 36 (it felt like an eternity) and i've gained 40 lbs so far :/ baby is big, over 7 pounds already... with my first child i gained 70 lbs and lost it all within a year... i crave nothing but sweets, it's been tough but, i'm not concerned. it's important to enjoy and mix your choices. make sure you eat veggies, fruits, fish, meats, and then give into your craving... :)

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Susie Apr 29, 2018 01:14:33 PM ET

I was 120 pounds before i was pregnant. when i was 12 weeks pregnant i weighed 128, then at 20 weeks pregnant i was 133.8 and now i'm 155 pounds at 23 weeks pregnant. both doctors said me and the baby are good and safe and healthy.

Guest Jul 11, 2018 06:51:50 PM ET

Those doctors are crazy. you should not be gaining 20 lbs in 3 weeks. your weight of 155 is fine for 23 weeks, but it's the fact that you gained so much ch so quickly that is concerning.

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Kate Apr 22, 2018 12:29:11 PM ET

I am 17 weeks pregnant, 5'7, started at 121 lbs , so far it seems to be that i am gaining too fast , current wait 133 lbs. can't wait to get back to feeling light on my feet.

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Guest Apr 6, 2018 12:13:57 PM ET

I'm 5'7 now 180 pounds! i've gained right at 30 pounds and i'm starting week 33. i've continued to work out, but my diet has pretty much been out of control lol. all this baby wants is cake! i am trying to be conscious of my food choices but its tough!

Guest May 9, 2018 07:42:03 PM ET

This could be a good time to learn how to sneak veggies into your cakes. (good practice for if you have a picky eater. lol) zucchini cake, yum. carrot cake. banana bread. there are cake recipes that have tomatoes in them. beats are a great way to add red to a cake without food coloring. apple sauce can be used in place of oil. there can be some fun ways to sneak in extra nutrients. eat cake, sneak in extra nutrients. lol

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Jenn Mar 2, 2018 03:08:11 AM ET

I started out pre-pregnancy 5'7" 126 lbs. have been horribly nauseous the whole time, and the month of december dropped down to 104 lbs. finally, my doctor put me on zofran, which helps a bit, but only for a short time after i take it, then nauseous again. i'm in week 19 and around 111 lbs now. so i have gained weight, kind of... bad? good? thoughts? anyone else have this experience?

Kayla Mar 15, 2018 03:29:18 AM ET

I'm on my third pregnancy and have lost weight with all 3. about 20 lbs with each. my doctor told me as long as the baby is at a healthy weight, baby is growing on schedule, everything is fine.

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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.

Guest Jun 27, 2018 07:11:57 PM ET

I am 5'1 and gained 45 lbs with my son, but luckily lost it all but the time he was one and now i'm pregnant with baby #2. my baby was almost 9 lbs and healthy.

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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?

Kenzie Mar 3, 2018 08:16:29 AM ET

Not typically. but at 10 weeks, you are 3 weeks away from #2 trimester, and they say 2-4 lbs is normal range. but, to me it sounds like you are putting it on a little faster than recommended.

Missy Mar 19, 2018 01:52:17 PM ET

There isn't a normal. it depends on your body's needs. my first pregnancy i gained 10lbs, my first tri but i was 18 and had a six pack . my body needed some storage. lol this pregnancy, i started at 155 (10lbs more than my first as i am now 25 years old) and i actually got really sick and lost all the way down to weighing 142lbs. finally, just now at 21 weeks started to gain a couple pounds but, still under my pre prego weight. long story longer, 4 even pounds in the first tri sounds perfectly fine to me. believe me, it gets extremely low or high and still those baby's are fine. also, at the end of the day if your doc isn't worried and you have done a good job at choosing your obgyn, i would trust them and stop worrying. the stress is bad for baby more than any weight gain.

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