Work out pregnancy calorie needs instantly with clear inputs, formula shown and shareable results.
Adds the trimester-specific energy increments of 340 and 452 kcal a day, with a further allowance for twin pregnancy.
Pregnancy energy increments
No increase in the first trimester, +340 kcal/day in the second and +452 kcal/day in the third; the protein reference intake rises to 71 g/day
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Fetal tissue deposition is minimal early on, and nausea often reduces intake anyway.
Yes. Recommended gain and energy needs differ by pre-pregnancy BMI and should be individualised.