Pregnancy Weight Gain: Week by Week
Track healthy weight gain throughout your pregnancy journey
Pregnancy Weight Gain Calculator
Unit System
Pre-pregnancy Information
Current Pregnancy Status
Your Pre-pregnancy BMI
Recommended Weight Gain
Week-by-Week Weight Gain Chart
| Week | Weekly Gain (kg) | Total Gain (kg) | Target Weight (kg) |
|---|---|---|---|
| 0 | 0.00 - 0.00 | 0.0 - 0.0 | 60.0 - 60.0 |
| 2 | 0.04 - 0.13 | 0.1 - 0.3 | 60.1 - 60.3 |
| 4 | 0.04 - 0.13 | 0.1 - 0.5 | 60.1 - 60.5 |
| 6 | 0.04 - 0.13 | 0.2 - 0.8 | 60.2 - 60.8 |
| 8 | 0.04 - 0.13 | 0.3 - 1.0 | 60.3 - 61.0 |
| 10 | 0.04 - 0.13 | 0.4 - 1.3 | 60.4 - 61.3 |
| 12 | 0.04 - 0.13 | 0.4 - 1.5 | 60.4 - 61.5 |
| 14 | 0.00 - 0.00 | 0.5 - 1.8 | 60.5 - 61.8 |
| 16 | 0.30 - 0.42 | 1.1 - 2.6 | 61.1 - 62.6 |
| 18 | 0.30 - 0.42 | 1.7 - 3.5 | 61.7 - 63.5 |
| 20 | 0.30 - 0.42 | 2.3 - 4.3 | 62.3 - 64.3 |
| 22 | 0.40 - 0.55 | 3.8 - 5.3 | 63.8 - 65.3 |
| 24 | 0.40 - 0.55 | 4.5 - 6.3 | 64.5 - 66.3 |
| 26 | 0.40 - 0.55 | 5.2 - 7.3 | 65.2 - 67.3 |
| 28 | 0.40 - 0.55 | 5.9 - 8.3 | 65.9 - 68.3 |
| 30 | 0.40 - 0.55 | 6.6 - 9.3 | 66.6 - 69.3 |
| 32 | 0.30 - 0.45 | 7.2 - 10.1 | 67.2 - 70.1 |
| 34 | 0.30 - 0.45 | 7.8 - 11.0 | 67.8 - 71.0 |
| 36 | 0.30 - 0.45 | 8.4 - 11.8 | 68.4 - 71.8 |
| 38 | 0.00 - 0.10 | 8.4 - 11.8 | 68.4 - 71.8 |
| 40 | 0.00 - 0.10 | 8.4 - 11.8 | 68.4 - 71.8 |
Note: This table shows every other week for clarity. Individual weight gain patterns may vary.
Where Does the Extra Weight Go?
Understanding how pregnancy weight gain is distributed can help you appreciate why healthy weight gain is important:
Healthy Weight Gain Tips
✅ Do's
- • Eat nutrient-dense foods
- • Include fruits, vegetables, and whole grains
- • Stay hydrated with plenty of water
- • Take prenatal vitamins
- • Exercise regularly (with doctor approval)
- • Monitor weight gain weekly
- • Get adequate protein (70-100g/day)
❌ Don'ts
- • Don't "eat for two" (only +300 kcal needed)
- • Avoid empty calories from sweets
- • Don't skip meals
- • Avoid rapid weight gain (>1.1 lbs/week)
- • Don't diet or restrict calories
- • Avoid processed and high-sodium foods
- • Don't ignore concerning symptoms
BMI Categories & Weight Gain
Weight Gain by Trimester
When to Contact Your Doctor
Understanding Pregnancy Weight Gain
Why Weight Gain Matters
Appropriate weight gain during pregnancy is crucial for both maternal and fetal health. Inadequate weight gain can lead to low birth weight and preterm delivery, while excessive gain increases risks of gestational diabetes, high blood pressure, and delivery complications.
Individual Variations
Every pregnancy is unique. These recommendations provide general guidelines, but your healthcare provider may suggest different targets based on your individual health, medical history, and pregnancy progression.
Monitoring Your Progress
Regular weight monitoring helps ensure healthy pregnancy progression. Weigh yourself at the same time of day, wearing similar clothing, and track the trend rather than day-to-day fluctuations.
Special Considerations
Twin and multiple pregnancies require higher weight gains. Women with eating disorders, chronic conditions, or previous pregnancy complications may need personalized guidance from their healthcare team.
Medical Disclaimer: This calculator provides general weight gain recommendations based on pre-pregnancy BMI and established medical guidelines. Individual needs may vary significantly based on personal health factors, medical history, and pregnancy complications. Always consult with your healthcare provider for personalized guidance on appropriate weight gain during pregnancy. Regular prenatal check-ups are essential for monitoring both maternal and fetal health.