Research
Sex ratios at birth after induced abortion
Marcelo L. Urquia, Rahim Moineddin, Prabhat Jha, Patricia J. O’Campo, Kwame McKenzie, Richard H. Glazier, David A. Henry and Joel G. Ray
CMAJ June 14, 2016 188 (9) E181-E190; DOI: https://doi.org/10.1503/cmaj.151074
Marcelo L. Urquia
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
PhDRahim Moineddin
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
PhDPrabhat Jha
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
MD DPhilPatricia J. O’Campo
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
PhDKwame McKenzie
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
MDRichard H. Glazier
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
MD MPHDavid A. Henry
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
MDJoel G. Ray
Centre for Global Health Research (Jha), St. Michael’s Hospital; Centre for Research on Inner City Health (Urquia, O’Campo, Glazier), Li Ka Shing Knowledge Institute, St. Michael’s Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael’s Hospital; Dalla Lana School of Public Health (Urquia, Jha, O’Campo, Henry), University of Toronto; Department of Family and Community Medicine (Moineddin, Glazier), University of Toronto; Centre for Addiction and Mental Health (McKenzie), University of Toronto; Department of Psychiatry (McKenzie), University of Toronto; Institute for Clinical Evaluative Sciences (Urquia, Moineddin, O’Campo, Glazier, Henry, Ray), Toronto, Ont.
MD MScData supplements
Online Appendices
- Appendix 1: Tables of codes used to ascertain abortions in Ontario, Canada, and livebirths and male:female (M:F) ratios, according to maternal birthplace and the sex of the previous liveborn sibling(s)
- Appendix 2: Livebirths and male:female (M:F) ratios, according to maternal birthplace and the sex of the previous liveborn sibling(s). Data are stratified by whether there was at least one recorded induced abortion between the previous livebirth and the c
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- (2016). Highlights. CMAJ, 188(9), 631. Accessed March 29, 2024. Retrieved from http://www.cmaj.ca/content/188/9/631.
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Sex ratios at birth after induced abortion
Marcelo L. Urquia, Rahim Moineddin, Prabhat Jha, Patricia J. O’Campo, Kwame McKenzie, Richard H. Glazier, David A. Henry, Joel G. Ray
CMAJ Jun 2016, 188 (9) E181-E190; DOI: 10.1503/cmaj.151074
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