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Table 5 Percent in each weight class gaining weight according to the IOM recommendations, and mean gestational weight gain (GWG) and postpartum weight retention (PPWR) at 6 months post partum among 29 931 nulliparous and 26 170 parous women

From: Associations of pre-pregnancy body mass index and gestational weight gain with pregnancy outcome and postpartum weight retention: a prospective observational cohort study

 

GWG < IOM rec.

GWG = IOM rec.

GWG > IOM rec.

  

GWG

PPWR

 

GWG

PPWR

 

GWG

PPWR

BMI category

%

kg

kg

%

kg

kg

%

kg

kg

Nulliparous

         

  Total

17.9

7.9 (3.6)

−1.9 (4.2)

33.2

13.1 (2.4)

0.0 (3.7)

48.8

19.8 (4.8)

3.1 (5.2)

  Underweight

26.8

9.7 (2.8)

0.1 (2.8)

46.8

15.4 (1.7)

2.0 (3.2)

26.4

23.3 (4.4)

6.2 (5.2)

  Normal weight

21.0

8.9 (2.4)

−1.4 (3.4)

38.5

14.0 (1.4)

0.3 (3.2)

40.4

20.9 (3.9)

3.4 (4.4)

  Overweight

7.3

3.4 (3.2)

−4.0 (5.5)

18.6

9.4 (1.3)

−1.7 (4.4)

74.1

18.6 (5.2)

2.7 (5.6)

  Obese

14.4

0.4 (4.2)

−6.9 (7.0)

19.3

7.2 (1.4)

−3.4 (6.0)

66.3

16.9 (5.8)

1.8 (7.1)

Parous

         

  Total

18.4

7.2 4.1)

−1.4 (4.3)

35.4

12.9 (2.6)

0.0 (3.5)

46.2

19.0 (4.6)

2.8 (4.6)

  Underweight

30.5

9.8 (2.0)

0.8 (2.5)

46.7

15.2 (1.6)

2.1 (2.8)

22.8

22.3 (3.4)

4.9 (4.5)

  Normal weight

20.7

8.9 (2.3)

−0.5 (3.2)

41.6

14.0 (1.4)

1.1 (3.0)

37.6

20.5 (3.6)

3.4 (3.9)

  Overweight

9.7

3.3 (3.3)

−3.2 (5.1)

22.2

9.4 (1.4)

−1.0 (4.1)

68.1

17.6 (4.7)

2.4 (4.9)

  Obese

20.8

0.2 (4.2)

−6.2 (6.3)

23.1

7.1 (1.3)

−2.4 (5.2)

56.1

15.7 (5.2)

1.2 (6.2)