Healthy Weight Gain Estimator

How Much Weight Should I Gain?

The amount of weight you should gain during pregnancy depends on a variety of factors such as your pre-pregnancy body mass index (BMI) and whether you are having one or more babies (for more information about BMI, click here). Talk with your health care provider about a healthy weight for you. If you are 18 or older, you can use the calculator below to estimate how much weight you should gain:

Healthy Weight Gain Estimator

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Where the Weight Goes

In a typical pregnancy, weight gain is approximately 25 - 35 lbs, and this is where the weight goes:

You:

 

Extra body supplies for pregnancy and breastfeeding

 

5 – 8 lbs

Blood

 

4 lbs

Retention Fluid

 

Varies

Breasts

 

3 lbs

Uterus

 

2.5 lbs

Your Baby:

 

Fetus

 

7.5 lbs

Placenta

 

1 lb

Amniotic Fluid

 

2 lbs

Average total:

 

25 -35 lbs