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Table 3 Multivariate analyses of medical issues in antenatal and perinatal periods among singleton births by adolescents aged ≤15 and 16–19 years

From: Comparison of medical issues in antenatal and perinatal periods in early youth, adolescent, and young adult mothers in Taiwan: a 10-year nationwide study

  Maternal age (years)
≤15 16–19
Adjusted OR (95% CI) p-value Adjusted OR (95% CI) p-value
Antenatal medical issue a     
  Previous cesarean history 0.09 (0.04–0.20) <0.001 0.43 (0.41–0.46) <0.001
  Prolonged pregnancy 0.54 (0.39–0.77) <0.001 0.84 (0.79–0.90) <0.001
  Preeclampsia 0.69 (0.47–1.02) 0.063 0.98 (0.91–1.05) 0.501
  PIH 0.52 (0.31–0.88) 0.014 0.93 (0.86–1.02) 0.11
  Anemia 1.00 (0.73–1.38) 0.991 1.32 (1.24–1.40) <0.001
  IUGR 1.37 (1.00–1.89) 0.042 1.30 (1.21–1.40) <0.001
  Oligohydramnios 0.82 (0.54–1.25) 0.349 1.21 (1.12–1.32) <0.001
  Antepartum hemorrhage, abruptio/previa placenta 0.77 (0.53–1.12) 0.175 0.76 (0.70–0.82) <0.001
Perinatal medical issue b     
  Premature ROM 0.80 (0.60–1.07) 0.131 0.97 (0.92–1.03) 0.294
  Failed labor induction 1.33 (0.97–1.83) 0.075 1.33 (1.24–1.43) <0.001
  Dystocia 0.82 (0.67–1.01) 0.066 0.86 (0.83–0.90) <0.001
  Malpresentation 0.94 (0.75–1.17) 0.57 0.92 (0.88–0.97) <0.001
  Fetal distress 0.78 (0.58–1.05) 0.102 1.20 (1.14–1.26) <0.001
  Preterm delivery 2.98 (2.48–3.58) <0.001 1.58 (1.51–1.66) <0.001
  Postpartum hemorrhage 1.03 (0.74–1.43) 0.856 1.00 (0.94–1.08) 0.917
  1. CI: confidence interval; IUGR: intrauterine growth retardation; OR: odds ratio; PIH: pregnancy-induced hypertenaion; PROM: premature rupture of membrane.
  2. aAdjusted for the year of labor, institution and physician characteristics, parity of birth, and low-income family status, as compared with mothers aged 20–24 years.
  3. bAdjusted for the year of labor, institution and physician characteristics, parity of birth, low-income family status, and delivery mode, as compared with adult mothers aged 20–24 years.