Pregnancy Weight Gain Tracker

Medical Disclaimer:
This pregnancy weight gain tracker is for educational purposes only and does not replace professional medical advice. Consult your doctor or midwife for personalized guidance.

Pregnancy Weight Gain Tracker — Explanation

Monitoring weight gain during pregnancy is an important part of prenatal care. Healthy weight gain supports fetal growth and helps reduce the risk of complications for both mother and baby. This Pregnancy Weight Gain Tracker offers a quick, evidence-based estimate of your recommended weight gain range and how your current progress compares to expectations for your pregnancy week.

What this tool does

The tracker calculates your pre-pregnancy BMI from your pre-pregnancy weight and height, identifies the recommended total pregnancy weight gain range based on that BMI category, and estimates the expected gain up to your current pregnancy week. It also computes your actual gain and indicates whether your progress is within, below, or above the recommended range.

Inputs required

Pre-pregnancy weight (kg)
Current weight (kg)
Height (cm)
Current pregnancy week (1–40)

How results are interpreted

Pre-pregnancy BMI: Categorizes weight status as underweight, normal, overweight, or obese.
Recommended total gain: Uses standard guidance ranges:
- Underweight: 12.5–18 kg
- Normal weight: 11.5–16 kg
- Overweight: 7–11.5 kg
- Obese: 5–9 kg
Expected gain to date: Proportion of the recommended total adjusted for the current week (approximate).
Status: Shows whether your gain is in the normal range, below, or above expected for the week.

Notes & limitations

This tracker provides an approximate guideline only. Individual needs vary depending on age, pregnancy history, metabolic factors, multiple pregnancy (twins, etc.), and medical conditions such as gestational diabetes. Use this tool for general monitoring and discussion with your healthcare provider—not as a substitute for professional medical advice.

When to consult your healthcare provider

If your weight gain is consistently above or below the recommended range
If you have pre-existing medical conditions (diabetes, hypertension, thyroid disorders)
If you experience rapid weight changes, severe swelling, or other concerning symptoms

For personalized guidance, always consult your obstetrician, midwife, or a registered dietitian experienced in prenatal nutrition.