Skip to main content

Table 4 Association of maternal age with hypertensive disorders of pregnancy, abnormal placentation, and others pregnancy complications

From: The trend in delayed childbearing and its potential consequences on pregnancy outcomes: a single center 9-years retrospective cohort study in Hubei, China

Pregnancy complications Maternal age groups
G1 (< 30 years)
aOR (95% CI)
G2 (30–34 years)
aOR (95% CI)
G3 (≥35 years)
aOR (95% CI)
HDP
 GH 1.00 (reference) 1.2 (0.9, 1.6) 1.5 (1.2, 2.1)
 PE 1.00 (reference) 1.3 (1.2, 1.5) 1.6 (1.4, 1.9)
 Sever PE 1.00 (reference) 0.8 (0.5, 1.3) 1.7 (1.1, 2.6)
Abnormal Placentation
 Placenta previa 1.00 (reference) 1.2 (1.1, 1.4) 1.8 (1.5, 2.2)
 Placental abruption 1.00 (reference) 0.9 (0.5, 1.8) 1.4 (0.7, 2.8)
 Cesarean section 1.00 (reference) 1.6 (1.5, 1.7) 2.4 (2.2, 2.6)
Others pregnancy complications
 PROM 1.00 (reference) 0.8 (0.7, 0.9) 0.8 (0.7, 1.0)
 GDM 1.00 (reference) 1.7 (1.5, 1.9) 2.5 (2.3, 2.9)
 Fetal breech presentation 1.00 (reference) 1.1 (0.9, 1.3) 1.2 (0.9, 1.4)
 Oligohydramnios 1.00 (reference) 0.9 (0.8, 1.2) 0.7 (0.6, 1.1)
 Polyhydramnios 1.00 (reference) 0.8 (0.5, 1.2) 0.6 (0.3, 1.1)
 Nuchal cord 1.00 (reference) 0.8 (0.7, 0.9) 0.8 (0.6, 0.9)
  1. aOR Adjusted odds ratios, HDB Hypertensive disorders of pregnancy, GH Gestational hypertension, PE Preeclampsia, PROM Premature rupture of membrane, GDM Gestational diabetes mellitus, Adjusted for prepregnancy body weight, parity, neonatal gender, maternal education, and occupation;