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

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

	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

CI: confidence interval; IUGR: intrauterine growth retardation; OR: odds ratio; PIH: pregnancy-induced hypertenaion; PROM: premature rupture of membrane.
^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.
^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.

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