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Table 4 Proportions of women gaining below, within and above guidelines, stratified by prepregnancy BMI (%)

From: Gestational weight gain across continents and ethnicity: systematic review and meta-analysis of maternal and infant outcomes in more than one million women

BMI group

Below IOM

Within IOM

Above IOM

Underweight

43

36

21

Normal weight

28

36

36

Overweight

13

23

64

Obese

19

21

60

  1. Data from 20/23 studies: n = 1,146,350 (88% of total population). Excluding studies that did not stratify GWG by BMI category [17, 31, 36]
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BMC Medicine

ISSN: 1741-7015

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