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. 2014 Jan 1;18(1):22–28. doi: 10.1007/s10995-013-1229-6

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© The Author(s) 2013

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Fig. 2 — Differences in risk of early term elective repeat cesarean delivery according to maternal characteristics in British Columbia, Canada, 2008–2011, compared with the reference groups of 1 previous cesarean (number of previous cesareans), maternal age 20–24 (maternal age), and pre-pregnancy body mass index 18.5–24.9 kg/m² (BMI). Multiple imputation was used to address missing pre-pregnancy BMI values