Table 1:

Characteristics of recognized pregnancies in Ontario, Apr. 1, 2002, to Dec. 31, 2015, in the Canadian Institute for Health Information databases

CharacteristicNo. (%) of pregnancies*
n = 2 039 849
Mean age ± SD, yr29.9 ± 5.8
Parity
 Median (IQR)1 (0–1)
 0826 470 (40.5)
 1629 022 (30.8)
 2244 735 (12.0)
 ≥ 3115 865 (5.7)
 Missing223 757 (11.0)
Outcome
 Live birth at ≥ 20 weeks’ gestation1 668 936 (81.8)
 Stillbirth at ≥ 20 weeks’ gestation10 069 (0.5)
 Miscarriage or ectopic pregnancy217 474 (10.7)
 Induced abortion143 370 (7.0)
No. of weeks’ gestation at birth, mean ± SD†38.8 ± 2.1

  • Note: IQR = interquartile range, SD = standard deviation.

  • ↵* Except where indicated otherwise.

  • ↵† Restricted to 1 679 005 obstetric deliveries resulting in a live birth or stillbirth.