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Table 2 Adjusted odds ratios for pregnancy risks

From: The effects of pre-pregnancy body mass index and gestational weight gain on perinatal outcomes in Korean women: a retrospective cohort study

  Underweight (BMI < 18.5) Normal (18.5 ≤ BMI < 23) Overweight (23 ≤ BMI < 25) Obese (25 ≤ BMI)
Maternal complications
Gestational diabetes 0.09 (0.01-0.66) 1.00 1.58 (0.80-3.15) 4.46 (2.63-7.59)
Hypertensive disorder 1.08 (0.52-2.23) 1.00 2.26 (1.11-4.58) 2.53 (1.26-5.07)
Placenta abruption 0.74 (0.20-2.73) 1.00 0.29 (0.04-2.38) 0.18 (0.02-1.66)
IIOC 1.32 (0.44-3.93) 1.00 1.34 (0.41-4.38) 3.70 (1.50-9.12)
Preterm delivery 0.40 (0.19-0.86) 1.00 1.10 (0.57-2.10) 0.58 (0.26-1.28)
PPROM 1.15 (0.57-2.32) 1.00 0.95 (0.47-1.94) 1.15 (0.57-2.32)
Hematologic disorder 2.60 (0.72-9.40) 1.00 2.30 (0.46-1.65) -
Neonatal complications
FDIU 3.94 (0.86-18.02) 1.00 2.86 (0.46-17.62) 0.66 (0.06-7.28)
Anomaly 1.30 (0.76-2.22) 1.00 1.14 (0.57-2.30) 0.73 (0.30-1.74)
IUGR 1.36 (0.64-2.88) 1.00 0.57 (0.13-2.47) 1.83 (0.72-4.67)
SGA 1.38 (1.02-1.88) 1.00 0.69 (0.42-1.13) 1.08 (0.69-1.69)
LGA 0.46 (0.18-1.19) 1.00 1.79 (0.92-3.48) 2.77 (1.49-5.16)
Thick meconium-stained amniotic fluid 1.03 (0.61-1.72) 1.00 2.12 (1.18-3.79) 0.86 (0.36-2.03)
Low Apgar score 1.39 (0.91-2.12) 1.00 1.96 (1.20-3.18) 1.98 (1.19-3.29)
NICU admission 1.32 (0.79-2.20) 1.00 1.42 (0.78-2.61) 1.11 (0.57-2.16)
  1. Based on multiple logistic regression models adjusted for age, parity, numbers of fetuses, pregnancy (day), and medical history
  2. BMI, body mass index; IIOC, incompetence of internal os of cervix; PPROM, preterm premature rupture of membrane; FDIU, fetal death in uterus; IUGR, intrauterine growth restriction; SGA, small for gestational age; LGA, large for gestational age; NICU, neonatal intensive care unit