Table 7.
BMI categories at 18 months post-partum in relation to prepregnant BMI and gestational weight gain (GWG) according to IOM recommendations in 19 604 nulliparous and 16 593 parous given as percentage (%) of each prepregnant weight class
| Prepregnant BMI categories |
GWG < IOM rec. |
GWG = IOM rec |
GWG > IOM rec. |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Underw. | Normal w. | Overw. | Obese | Underw. | Normal w. | Overw. | Obese | Underw. | Normal w. | Overw. | Obese | |
|
Nulliparous |
|
|
|
|
|
|
|
|
|
|
|
|
| Underweight |
65.1 |
33.7 |
1.2 |
0 |
46.7 |
53.0 |
0.3 |
0 |
26.1 |
68.8 |
5.1 |
0 |
| Normal weight |
2.8 |
88.1 |
9.0 |
0.1 |
1.7 |
86.1 |
12.0 |
0.2 |
0.7 |
74.4 |
23.5 |
1.4 |
| Overweight |
0 |
22.6 |
60.8 |
10.7 |
0.1 |
21.9 |
66.4 |
11.6 |
0 |
10.9 |
67.8 |
21.2 |
| Obese |
0 |
0.9 |
18.9 |
80.2 |
0 |
0.6 |
15.0 |
84.3 |
0 |
0.7 |
13.5 |
85.9 |
|
Parous |
|
|
|
|
|
|
|
|
|
|
|
|
| Underweight |
66.9 |
33.1 |
0 |
0 |
55.2 |
44.3 |
0.5 |
0 |
36.6 |
63.4 |
0 |
0 |
| Normal weight |
1.8 |
90.1 |
8.0 |
0.1 |
1.3 |
89.1 |
9.4 |
0.1 |
0.4 |
82.0 |
17.0 |
0.5 |
| Overweight |
0 |
28.8 |
69.9 |
8.3 |
0 |
19.5 |
72.0 |
8.5 |
0 |
14.9 |
71.1 |
14.0 |
| Obese | 0 | 1.6 | 18.9 | 79.5 | 0 | 0.8 | 20.3 | 78.9 | 0 | 0.8 | 21.1 | 78.0 |
The bold text indicates the percentage of women belonging to the same weight class 18 mo. postpartum as before pregnancy.