0484-7903 0484-7903 S0484-79032020000100053 10.35366/cma201i Mexico México México Mexico México Mexico Mexico Mexico 00 03 2020 00 03 2020 43 1 53 56

1 World Health Organization 2011 2 2016 30 31-8 3 2010 53 399-402 4 1991 23 13-5 5 WHO working group on Maternal Mortality and Morbidity classifications 2009 23 287-96 6 2015 27 220-2 7 2007 19 145-50 8 2011 11 65 9 2009 23 3 3 297-304 10 2016 56 381-6 11 2016 215 233.e1-7 12 2010 88 113-9 13 2010 78 660-8 14 2018 15 98 15 EPIMOMS Study Group 2017 216 S345-6 16 2012 120 261-8 17 Centers for Disease Control and Prevention 2017 18 2016 215 B17-22 19 2016 214 643.e1-10 20 2004 57 716-20 21 2013 30 21-4 22 WHO Working Group on Maternal Mortality and Morbidity Classifications 2009 87 734 23 2015 94 1387-94 24 2013 13 93