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Table 7 Odds ratios for women classified as obese III. Odds ratios are for the class of gestational weight gain (less than 5 kg and more than 9 kg) relative to 5 to 9 kg

From: An evaluation of whether a gestational weight gain of 5 to 9 kg for obese women optimizes maternal and neonatal health risks

 

Gestational Weight Gain < 5.0 kg

Gestational Weight Gain > 9.0 kg

Maternal Conditions

 Gestational diabetes

1.13 (1.10, 1.15)a

0.91 (0.89, 0.93) b

 Gestational hypertension

0.82 (0.80, 0.84) b

1.35 (1.32, 1.38) a

 Eclampsia

0.77 (0.69, 0.87) b

1.33 (1.20, 1.47) a

 Induction of labor

1.02 (1.00, 1.04) a

1.01 (1.00, 1.03) a

 Caesarian Section

0.90 (0.89, 0.92) b

1.17 (1.15, 1.19) a

 Maternal transfusion

1.10 (0.94, 1.27)

1.12 (0.98, 1.29)

 Perineal laceration

0.90 (0.79, 1.03)

0.94 (0.83, 1.07)

 Ruptured uterus

1.21 (0.79, 1.92)

1.06 (0.70, 1.63)

 Unplanned hysterectomy

1.07 (0.75, 1.55)

1.07 (0.76, 1.52)

 Admission to Intensive Care Unit

1.06 (0.87, 1.29)

1.58 (1.33, 1.89) a

Neonatal Conditions

 Extremely low birth weight

1.59 (1.45, 1.74) a

1.43 (1.31, 1.57) a

 Very low birth weight

1.38 (1.29, 1.48) a

1.36 (1.28, 1.45) a

 Low birth weight

1.13 (1.09, 1.17)a

1.09 (1.06, 1.12) a

 Macrosomia

0.75 (0.73, 0.76) b

1.39 (1.36, 1.43) a

 Very pre-term delivery

1.41 (1.32, 1.50) a

1.38 (1.30, 1.47) a

 Preterm delivery

0.99 (0.96, 1.02)

1.17 (1.14, 1.20) a

 Low Apgar score

1.15 (1.05, 1.25) a

1.29 (1.18, 1.40) a

 Admission to Neonatal Intensive Care Unit

0.94 (0.92, 0.97) b

1.23 (1.20, 1.27) a

 Ventilation for more than 6 min

1.03 (0.96, 1.10)

1.24 (1.17, 1.31) a

 Neonatal mortality

1.30 (1.15, 1.46) a

1.15 (1.02, 1.28) a

  1. aOdds ratio is significantly elevated relative to gestational weight gain of 5 to 9 kg
  2. bOdds ratio is significantly lower relative to gestational weight gain of 5 to 9 kg