Pre-pregnancy BMI
|
Total weight gain:
|
Rate of weight gain, 2ndand 3rdtrimester
|
---|
|
Range in kg
|
Range in lbs
|
Mean (Range) kg/week
|
Mean (Range) lbs/week
|
---|
Underweight (< 18.5 kg/m2)
|
12.5-18
|
28-40
|
0.51 (0.44-0.58)
|
1 (1–1.3)
|
Normal weight (18.5-24.9 kg/m2)
|
11.5-16
|
25-35
|
0.42 (0.35-0.50)
|
1 (0.8-1)
|
Overweight (25.0-29.9 kg/m2)
|
7-11.5
|
15-25
|
0.28 (0.23-0.33)
|
0.6 (0.5-0.7)
|
Obese (≥ 30.0 kg/m2)
|
5-9
|
11-20
|
0.22 (0.17-0.27)
|
0.5 (0.4-0.6)
|
- Source: Institute of Medicine and National Research Council of the National Academies [5].