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Table 2 BMI classification according to WHO guidelines [47]

From: Circadian rhythm and its association with birth and infant outcomes: research protocol of a prospective cohort study

Classification

BMI range (kg/m2)

Underweight

< 18.5

Normal

18.5–24.9

Overweight (Pre-obesity)

25.0–29.9

Obese class I

30.0–34.9

Obese class II

35.0–39.9

Obese class III

≥40

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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