Easily estimate your pre-pregnancy BMI and see healthy weight gain guidelines for pregnancy.
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Embed this bmi calculator for pregnant women on your website for free. It's responsive, always up-to-date, and easy to customize.
Enter your pre-pregnancy details to calculate your BMI and get personalized weight gain recommendations.
Input your weight before becoming pregnant. This is crucial for accurate BMI calculation and weight gain recommendations.
Provide your height in either feet/inches or centimeters. The calculator will automatically convert between units.
Choose between metric (kg/cm) or imperial (lbs/ft-in) units based on your preference.
The calculator will show your pre-pregnancy BMI category and recommended weight gain range for a healthy pregnancy.
Underweight (BMI < 18.5), Normal weight (BMI 18.5-24.9), Overweight (BMI 25-29.9), Obese (BMI ≥ 30)
Based on your pre-pregnancy BMI, you'll receive personalized weight gain recommendations following medical guidelines.
Remember that every pregnancy is unique. These are general guidelines - always consult your healthcare provider for personalized advice.
Track your weight gain throughout pregnancy and discuss any concerns with your healthcare team during regular check-ups.
Enter your pre‑pregnancy weight and height to estimate BMI and see healthy weight‑gain ranges based on established guidelines.
Use our research-backed BMI calculator for pregnant women to determine optimal gestational weight gain based on pre-pregnancy BMI. Following Institute of Medicine (IOM) and American College of Obstetricians and Gynecologists (ACOG) guidelines, get personalized recommendations for singleton and multiple pregnancies. Essential for maternal-fetal health optimization and pregnancy complication prevention.
IOM 2009 weight gain recommendations validated by extensive epidemiological research and meta-analyses.
Specialized calculations for twin and higher-order multiple pregnancies with adjusted weight gain targets.
Comprehensive assessment of maternal and fetal risks based on pre-pregnancy BMI categories.
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Enhance your pregnancy health monitoring with our comprehensive calculators. Use the standard BMI Calculator for general health assessment, the Calorie Calculator for nutritional planning during pregnancy, or explore our other health and wellness tools for complete maternal care.
Important: This pregnancy BMI calculator is designed for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. Weight gain recommendations are based on Institute of Medicine (IOM) guidelines and general medical standards, but individual needs may vary significantly based on pre-existing health conditions, multiple pregnancies, medical history, and other factors. Pregnancy weight management should always be supervised by qualified healthcare professionals including obstetricians, midwives, or registered dietitians who can provide personalized guidance based on your specific medical situation. This tool does not replace regular prenatal care, medical consultations, or professional monitoring throughout pregnancy. Always consult your healthcare provider for personalized advice regarding appropriate weight gain, nutrition, and overall pregnancy health management.