18 Weeks Pregnant Weight Gain Calculator
Estimated Weight Gain During Pregnancy (Up to 18 Weeks)
| Pre-Pregnancy BMI Category | Total Recommended Weight Gain (lbs) | Weekly Weight Gain (2nd Trimester) | Estimated Weight Gain at 18 Weeks |
|---|---|---|---|
| Underweight (BMI < 18.5) | 28-40 lbs | 1 lb/week | 6-11 lbs |
| Normal Weight (BMI 18.5-24.9) | 25-35 lbs | 1 lb/week | 5-10 lbs |
| Overweight (BMI 25-29.9) | 15-25 lbs | 0.6 lb/week | 3-7 lbs |
| Obese (BMI ≥ 30) | 11-20 lbs | 0.5 lb/week | 2-6 lbs |