A 12-year cohort study on adverse pregnancy outcomes in Eastern Townships of Canada: impact of endometriosis.

  • Aziz Aris
  • Published 2014 in
    Gynecological endocrinology : the official…

Abstract

The aim of this study was to provide a temporal-spatial reference of adverse pregnancy outcomes (APO) and examine whether endometriosis promotes APO in the same population. Among the 31 068 women who had a pregnancy between 1997 and 2008 in Eastern Townships of Canada, 6749 (21.7%) had APO. These APO increased significantly with maternal age and over time (r(2 )= 0.522, p = 0.008); and were dominated by preterm birth (9.3%), pregnancy-induced hypertension (8.3%) including gestational hypertension (6.5%), low birth weight (6.3%), gestational diabetes (3.4%), pregnancy loss (2.2%) including spontaneous abortion (1.5%) and stillbirth (0.6%), intrauterine growth restriction (2.1%) and preeclampsia (1.8%). Among the 31 068 pregnancies, 784 (2.5%) had endometriosis and 183 (23.3%) had both endometriosis and APO. Endometriosis has been shown to increase the incidence of fetal loss (OR = 2.03; 95% CI = 1.42-2.90, p < 0.0001), including spontaneous abortion (OR = 1.89; 95% CI = 1.23-2.93, p = 0.005) and stillbirth (OR = 2.29; 95% CI = 1.24-5.22, p = 0.012). This study provides a temporal-spatial reference on APO, which is a valuable tool for monitoring, comparing and correcting. It is also the first study to highlight an impact of endometriosis on the incidence of spontaneous abortion and stillbirth.

DOI: 10.3109/09513590.2013.848425
050100201520162017
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@article{Aris2014A1C, title={A 12-year cohort study on adverse pregnancy outcomes in Eastern Townships of Canada: impact of endometriosis.}, author={Aziz Aris}, journal={Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology}, year={2014}, volume={30 1}, pages={34-7} }