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Compare measured weight change with a singleton total-gain reference, without a weekly score.
Adults with a singleton pregnancy. Not intended for adolescents, twins or higher multiples, or people needing an individualized clinical plan.
Use unrounded pre-pregnancy BMI = kg / m². CDC singleton total-gain intervals are 28–40 lb for BMI <18.5; 25–35 lb for 18.5 to <25; 15–25 lb for 25 to <30; and 11–20 lb for ≥30. Exact conversion is 1 lb = 0.45359237 kg. Current gain is current minus pre-pregnancy weight.
Choose your units, then enter the details you want to use.
Complete the relevant fields and select Calculate. Changes to your inputs clear the previous result.
Educational estimates, with their equations and assumptions. They do not diagnose a condition or prescribe a treatment.