Predicting the Spontaneous Onset of Labour in Post-Date Pregnancies: A Population- Based Retrospective Cohort Study Gerald P. Marquette, MD, FRCSC, Jennifer.

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Presentation transcript:

Predicting the Spontaneous Onset of Labour in Post-Date Pregnancies: A Population- Based Retrospective Cohort Study Gerald P. Marquette, MD, FRCSC, Jennifer A. Hutcheon, PhD, Lily Lee, RN, MScN, MPH Journal of Obstetrics and Gynaecology Canada Volume 36, Issue 5, Pages 391-399 (May 2014) DOI: 10.1016/S1701-2163(15)30584-3 Copyright © 2014 Society of Obstetricians and Gynaecologists of Canada Terms and Conditions

Figure 1 Probability of the onset of spontaneous labour among women at or beyond 41+0 weeks’ gestation, in British Columbia, 2008 to 2012 Journal of Obstetrics and Gynaecology Canada 2014 36, 391-399DOI: (10.1016/S1701-2163(15)30584-3) Copyright © 2014 Society of Obstetricians and Gynaecologists of Canada Terms and Conditions

Figure 2 Probability of the onset of spontaneous labour according to maternal age among women at or beyond 41+0 weeks’ gestation, in British Columbia, 2008 to 2012 Journal of Obstetrics and Gynaecology Canada 2014 36, 391-399DOI: (10.1016/S1701-2163(15)30584-3) Copyright © 2014 Society of Obstetricians and Gynaecologists of Canada Terms and Conditions

Figure 3 Probability of the onset of spontaneous labour according to parity among women at or beyond 41+0 weeks gestation, in British Columbia, 2008 to 2012 Journal of Obstetrics and Gynaecology Canada 2014 36, 391-399DOI: (10.1016/S1701-2163(15)30584-3) Copyright © 2014 Society of Obstetricians and Gynaecologists of Canada Terms and Conditions

Figure 4 Probability of the onset of spontaneous labour according to pre-pregnancy BMI among women at or beyond 41+0 weeks’ gestation, in British Columbia, 2008 to 2012 Journal of Obstetrics and Gynaecology Canada 2014 36, 391-399DOI: (10.1016/S1701-2163(15)30584-3) Copyright © 2014 Society of Obstetricians and Gynaecologists of Canada Terms and Conditions

Figure 5 Probability of the onset of spontaneous labour according to gestational weight gain among women at or beyond 41+0 weeks’ gestation, in British Columbia, 2008 to 2012 Journal of Obstetrics and Gynaecology Canada 2014 36, 391-399DOI: (10.1016/S1701-2163(15)30584-3) Copyright © 2014 Society of Obstetricians and Gynaecologists of Canada Terms and Conditions