1United Nations (2010) The millennium development goals. United Nations Report, New York.

2WHO, UNICEF, UNFPA and The World Bank and The United Nation Populations Division (2014) Trends in maternal mortality: 1990 to 2013. World Health Organization, Geneva, Switzerland.

3Kinney MV, Kerber KJ, Black RE, Cohen B, Nkrumah F, et al. (2010) Sub-Saharan Africa’s mothers, newborns, and children: where and why do they die? PloS Med 7: e1000294.

4Alvarez JL, Gil R, Hernández V, Gil A (2009) Factors associated with maternal mortality in Sub-Saharan Africa: an ecological study. BMC Public Health 9: 462.

5Lee H, Kim S, DeMarco R, Aronowitz T, Mtengezo J, et al. (2015) Recognizing global disparities in health and in health transitions in the 21st century: what can nurses do? Appl Nurs Res 28: 60-65.

6Khan KS, Wojdyla D, Say L, Gulmezoglu AM, Van Look PF (2006) WHO analysis of causes of maternal death: a systematic review. Lancet 367: 1066-1074.

7Thaddeus S, Maine D (1994) Too far to walk: maternal mortality in context. Soc Sci Med 38: 1091-1110.

8Observatorio de mortalidad maternal en México (2015) Indicadores nacionales. Avances y retrocesos de la RMM por entidad federativa.

9Observatorio de la mortalidad materna en México (2015) Numeralia.

10Observatorio de la mortalidad materna en México (2015) Numeralia 2012. Numeralias de mortalidad materna.

11Rodríguez AE, Montero CL, Andueza PG, Manrique VW (2007) Medical-social characteristics of maternal deaths in a Mayan community in Yucatán, Mexico. Ginecol Obstet Méx 75: 79-85.

12Rodríguez E, Aguilar P, Montero L, Hoil J, Andueza G (2012) Demoras en la atención de complicaciones maternas asociadas a fallecimientos en municipios del sur de Yucatán, México. Rev Biomed 23: 23-32.

13Rodríguez E, Andueza G, Montero L (2012) A qualitative approach on maternity deaths in the Tizimin Municipality in Yucatan, Mexico. Alteridades 22: 145-158.

14Vargas M (1994) Sobre el concepto de percepción. Alteridades 4: 45-73.

15Rodríguez E, Palma M, Zapata R (2014) Causes of delay in the care of patients with obstetric complications ¿what is necessary to attend? Ginecol Obstet Méx 82: 647-658.

16Rodríguez E, Urtecho C, Andueza G, Hoil J, Oliva Y (2014) Factores relacionados con complicaciones obstétricas en embarazadas de Yaxcabá, Yucatán, México. In: M. Ramos, V. Aguilera (eds) Ciencias naturales y exactas. 2nd edition, Ecorfan-México 171-180.

17Rodríguez E, Andueza G, Pink Alcocer L, Ortíz E, Hernández B (2012) Effect of Community intervention to improve knowledge about warning signs of maternal complications in Mayan women Yucatan, controlled, randomized trial. Rev Invest Clin 64: 154-163.

18Instituto Nacional de Estadística, Geografía e Informática (INEGI) (2015) Población por Entidad Federativa, 2010. México.

19Plan Estatal de Desarrollo de Yucatán 2012-2018 (2015) Gobierno del Estado de Yucatán.

20Instituto Nacional de Estadística, Geografía e Informática (INEGI) (2013) Estadísticas a propósito del Día de la Madre 2013, Datos de Yucatán.

21Dean AG, Arner TG, Sunki GG, Friedman R, Lantinga M, et al. (2011) A database and statistics program for public health professionals. CDC, Atlanta, GA, USA.

22Huertas E, Vigier F (2010) El grupo de discusión como técnica de investigación en la formación de traductores: dos caras de su aplicabilidad. Entreculturas 2: 181-196.

23Martínez M (2007) Ciencia y Arte en Metodología Cualitativa. Métodos hermenéuticos, métodos fenomenológicosy métodos etnográficos. 2nd edition, Trillas, México.

24Morgan DL (1988) Focus groups as qualitative research. SAGE, Newbury Park, CA.

25Krueger RA, Casey MA (2009) Focus Groups: A practical guide for applied research. SAGE, California.

26Stake RE (2010) Qualitative research. Studying how things work. Guilford Press, New York, London.

27Olson K (2011) Approaches to Data Generation. In: Morse J (eds) Essensials of qualitative interviewing. Left Coast Press, CA 35-49.

28Huberman A, Miles M (1994) Data management and analysis methods. In: Denzin NK, Lincoln YS (eds) Handbook of qualitative research. Sage 428-444.

29Combs T, Sundby J, Malata A (2012) Piecing together the maternal death puzzle through narratives: The three delays model revisited. PLoS One 7: e52090.

30Lotufo F, Parpinelli MA, Haddad S, Surita F, Cecatti J (2012) Applying the new concept of maternal near-miss in an intensive care unit. Clinics 67: 225-230.

31Walker D, DeMaria LM, Suarez L, Cragin L (2012) Skilled birth attendants in Mexico: how does care during normal birth by general physicians, obstetric nurses, and professional midwives compare with World Health Organization evidence-based practice guidelines? J Midwifery Womens Health 57: 18-27.

32Centro Nacional de Equidad de Género y Salud Reproductiva (2009) In: Estrategia Integral para Acelerar la Reducción de la Mortalidad Materna en México 1-48.

33Lowell A, Kildea S, Liddle M, Cox B, Paterson B (2015) Supporting aboriginal knowledge and practice in health care: lessons from a qualitative evaluation of the strong women, strong babies, strong culture program. BMC Pregnancy Childbirth 5: 19.

34Adames HY, Chavez-Duenas NY, Fuentes MA, Salas SP, Perez-Chavez JG (2014) Integration of Latino/a cultural value into palliative health care: a culture centered model. Palliat Support Care 12: 149-157.

35Demaria L, Campero L, Vidler M, Walker D (2012) Non-physician providers of obstetric care in Mexico: Perspectives of physicians, obstetric nurses and professional midwives. Hum Resour Health 10: 6.

36Loh LC, Chae SR, Heckman JE, Rhee DS (2015) Ethical considerations of physician career involvement in global health work: a framework. J Bioeth Inq 12: 129-136.

37Rosestein M, Romero M, Ramos S (2008) Maternal mortality in Argentina: a closer look at women who die outside of the health system. Matern Child Health J 12: 519-524.

38Ghazi M, Moudi Z, Vedadhir A (2012) Home birth and barriers to referring women with obstetric complications to hospitals: a mixed-methods study in Zahedan, southeastern Iran. Reprod Health 20: 5.

39Paul B, Mohapatra B, Kar K (2011) Maternal deaths in a tertiary health care centre of odisha: An in-depth study supplemented by verbal autopsy. Indian J Community Med 36: 213-216.

40Bonnet MP, Deneux-Tharaux C, Bouvier-Colle MH (2011) Critical care and transfusion management in maternal deaths from postpartum haemorrhage. Eur J Obstet Gynecol Reprod Biol 158: 183-188.

41Kabali E, Gourbin C, De Brouwere V (2011) Complications of childbirth and maternal deaths in Kinshasa hospitals: testimonies from women and their families. BMC Pregnancy Childbirth 11: 29.

42Asher E, Greenberg-Dotan S, Halevy J, Glick S, Reuveni H (2012) Defensive medicine in Israel-A nationwide survey. PLoS One 7: e42613.

43Solaroglu I, Izci Y, Yeter HG, Metin MM, Keles GE (2014) Health transformation project and defensive medicine practice among neurosurgeons in Turkey. PLoS One 9: e111446.

45WHO (2007) Everybody´s business: strengthening health systems in low and middle income countries. World Health Organization, Geneva.