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🤰Pregnancy Weight Gain Calculator

ગર્ભાવસ્થા પૂર્વ BMI (kg/m²)

e.g. 22.5

Current gestational week

1–40

What is Pregnancy Weight Gain?

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ઇન્સ્ટિટ્યૂટ ઑફ મેડિસિન (IOM) 2009 માર્ગદર્શિકા દ્વારા સ્થાપિત કરાયેલા ગર્ભાવસ્થાના વજનમાં વધારો કરવાની ભલામણ પ્રી-પ્રેગ્નન્સી BMI પર આધારિત છે. ખૂબ ઓછું વજન વધવાથી જન્મના ઓછા વજનનું જોખમ વધે છે; વધુ પડતું વધવાથી સગર્ભાવસ્થા ડાયાબિટીસ, સિઝેરિયન ડિલિવરી અને પોસ્ટપાર્ટમ વજન જાળવી રાખવાનું જોખમ વધે છે.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

How to Pregnancy Weight Gain

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1IOM recommends different total weight gain ranges based on pre-pregnancy BMI
2First trimester gain: typically 1.1–2.2 kg (0.5–1 kg/month)
3Second and third trimester: 0.2–0.5 kg/week depending on BMI category

Worked Examples

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Example 1

Given:Pre-pregnancy BMI 22 (normal weight)

પરિણામ:Recommended gain: 25–35 lbs total

Real-World Applications

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Tracking personal health and fitness goals

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Guidance for healthcare conversations with your doctor

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Monitoring progress during a weight management programme

IOM Weight Gain Recommendations (2009)

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Pre-pregnancy BMI	Total Gain (singleton)	Rate in 2nd/3rd Trimester
Underweight (< 18.5)	12.7–18.1 kg	0.51 kg/week
Normal weight (18.5–24.9)	11.3–15.9 kg	0.42 kg/week
Overweight (25.0–29.9)	6.8–11.3 kg	0.28 kg/week
Obese (≥ 30.0)	5.0–9.1 kg	0.22 kg/week
Twin pregnancy (normal)	16.8–24.5 kg	Higher across all BMI

Frequently Asked Questions

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What is Pregnancy Weight?

Recommended pregnancy weight gain is based on pre-pregnancy BMI, as established by the Institute of Medicine (IOM) 2009 guidelines. Gaining too little weight increases the risk of low birth weight; gaining too much increases risks of gestational diabetes, caesarean delivery, and postpartum weight retention

How accurate is the Pregnancy Weight calculator?

The calculator uses the standard published formula for pregnancy weight. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Pregnancy Weight calculator use?

This calculator works with kilograms, inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Pregnancy Weight calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

References

માત્ર માહિતીના હેતુ માટે. આ ટૂલ વ્યાવસાયિક તબીબી સલાહ, નિદાન અથવા સારવારનો વિકલ્પ નથી. હંમેશા લાયક આરોગ્ય વ્યાવસાયિકની સલાહ લો.

Deep Dive

Read the full guide on how to use this calculator effectively

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Formula-verified for precision

Reviewed October 2026

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