Table 2 This distribution of optimal total GWG and weekly GWG in the optimal outcome subgroup.

From: Investigation of optimal gestational weight gain for twin pregnancy in Southwest China: a retrospective study

 

BMI standard (kg/m2)

No. of subjects (%)

Median of optimal total GWG(kg)

IQR of optimal total GWG(kg)

Median of optimal weekly GWG(kg/w)

IQR of optimal weekly GWG (kg/w)

Underweight

 < 18.5

143 (14.3)

18.5

16–21.5

0.50

0.43–0.58

Normalweight

18.5 ≤ BMI < 24

706 (70.7)

18

15–21.1

0.49

0.41–0.58

Overweight

24 ≤ BMI < 28

138 (13.8)

16.8

13–20

0.46

0.35–0.55

Obese

 ≥ 28

11 (1.1)

11

9–22

0.31

0.24–0.59

  1. GWG gestational weight gain, BMI body mass index, IQR interquartile range.
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