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Table 1 Category of gestational weight gain

From: Pregnant women’s clinical characteristics, intrapartum interventions, and duration of labour in urban China: a multi-center cross-sectional study

Underweight (BMI < 18.5 kg/m2)
 IGWGa (1) AGWGb (2) EGWGc (3)
  < 12.7 kg 12.7 ~ 18.1 kg >  18.1 kg
Normal weight (BMI 18.5–24.9 kg/m2)
 IGWGa (4) AGWGb (5) EGWGc (6)
  < 11.3 kg 11.3 ~ 15.9 kg > 15.9 kg
Overweight (BMI 25.0–29.9 kg/m2)
 IGWGa (7) AGWGb (8) EGWGc (9)
  < 6.8  kg 6.8 ~ 11.3 kg > 11.3 kg
Obese (BMI ≥ 30.0 kg/m2)
 IGWGa (10) AGWGb (11) EGWGc (12)
  < 5.0 kg 5.0 ~ 9.1 kg > 9.1 kg
  1. aIGWG Inadequate gestational weight gain (1)(4)(7)(10);
  2. bAGWG Adequate gestational weight gain (2)(5)(8)(11);
  3. cEGWG Excessive gestational weight gain (3)(6)(9)(12)