Pregnancy Weight Gain (Educational)
General reference ranges for weight gain in pregnancy, based on pre-pregnancy BMI.
11.5–16 kg
general reference range for a single pregnancy
- Pre-pregnancy BMI
- 22.8
- Category
- Normal weight (BMI 18.5-24.9)
Ranges differ for twin pregnancies and individual circumstances.
Formula: Institute of Medicine reference ranges
About this calculator
- These are population-level reference ranges published for general education.
- Pregnancy is highly individual — your midwife or obstetrician is the only appropriate source of guidance for your situation.
Disclaimer: This tool is strictly educational and is not a substitute for antenatal care. Always follow the guidance of your own healthcare team during pregnancy.
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