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Bull World Health Organ. 2010 Feb;88(2):113-9. doi: 10.2471/BLT.08.057828. Epub 2009 Sep 11.

Maternal near miss and maternal death in the World Health Organization's 2005 global survey on maternal and perinatal health.

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Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland.



To develop an indicator of maternal near miss as a proxy for maternal death and to study its association with maternal factors and perinatal outcomes.


In a multicenter cross-sectional study, we collected maternal and perinatal data from the hospital records of a sample of women admitted for delivery over a period of two to three months in 120 hospitals located in eight Latin American countries. We followed a stratified multistage cluster random design. We assessed the intra-hospital occurrence of severe maternal morbidity and the latter's association with maternal characteristics and perinatal outcomes.


Of the 97,095 women studied, 2964 (34 per 1000) were at higher risk of dying in association with one or more of the following: being admitted to the intensive care unit (ICU), undergoing a hysterectomy, receiving a blood transfusion, suffering a cardiac or renal complication, or having eclampsia. Being older than 35 years, not having a partner, being a primipara or para > 3, and having had a Caesarean section in the previous pregnancy were factors independently associated with the occurrence of severe maternal morbidity. They were also positively associated with an increased occurrence of low and very low birth weight, stillbirth, early neonatal death, admission to the neonatal ICU, a prolonged maternal postpartum hospital stay and Caesarean section.


Women who survive the serious conditions described could be pragmatically considered cases of maternal near miss. Interventions to reduce maternal and perinatal mortality should target women in these high-risk categories.

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