Pregnancy Weight Gain
Healthy weight-gain range for pregnancy.
Recommended total gain
25–35 lb
based on pre-pregnancy BMI 23.3
Gain so far: 15.0 lb
Expected by week 20: 10.2 to 12.8 lb
On track for the recommended range.
Ranges follow the 2009 Institute of Medicine (now NAM) guidelines. Most weight gain happens in the second and third trimesters. The first trimester usually adds about 5 pounds total. Talk to your OB or midwife - this is informational only.
About
Based on pre-pregnancy BMI and whether you're carrying singletons or twins. Returns the recommended total weight gain across pregnancy and an expected range for the current week.
How to use
- Enter pre-pregnancy weight and height.
- Set current week.
- Pick singleton or twin.
FAQ
Where do these ranges come from?+
2009 Institute of Medicine (now NAM) guidelines. Most providers use these targets, with adjustments for individual circumstances.