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Table 2 Incidence of adverse maternal and neonatal outcomes among maternal age groups

From: Adverse maternal and neonatal outcomes among singleton pregnancies in women of very advanced maternal age: a retrospective cohort study

Outcome 20–34 years 35–42 years ≥ 43 years
n (%) n (%) n (%)
Composite outcome (preeclampsia, IUGR, placental abruption and stillbirth) 31,102 (10.41) 8463 (10.09) 436 (13.35)
Preeclampsia 2215 (0.74) 699 (0.83) 52 (1.59)
IUGR 27,616 (9.24) 7314 (8.72) 358 (10.96)
Placental abruption 1330 (0.45) 495 (0.59) 30 (0.92)
Stillbirth 822 (0.28) 290 (0.35) 22 (0.67)
Preterm birth 17,199 (5.76) 5870 (7) 315 (9.64)
Gestational diabetes mellitus 13,618 (4.56) 7393 (8.81) 456 (13.96)
Placental previa 1667 (0.56) 940 (1.12) 55 (1.68)
Postpartum hemorrhage 7533 (2.52) 1836 (2.19) 76 (2.33)
Maternal ICU admission 94 (0.03) 42 (0.05) < 6
Maternal death related to pregnancy and birth < 6 <6 < 6
SGA<5th 12,736 (4.26) 3440 (4.10) 169 (5.17)
Neonatal death 411 (0.14) 115 (0.14) 12 (0.37)
Sentinel Congenital Anomalies 1005 (0.34) 360 (0.43) 39 (1.19)
NICU admission 35,096 (11.74) 10,423 (12.42) 518 (15.86)
5 min Apgar score≤3 3100 (1.04) 1008 (1.2) 60 (1.84)
  1. ICU intensive care unit, IUGR intrauterine growth retardation, NICU neonatal intensive care unit, SGA small for gestational age