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Obstet Gynecol. 2017 Aug;130(2):366-373. doi: 10.1097/AOG.0000000000002114.

Pregnancy-Related Mortality in the United States, 2011-2013.

Author information

1
Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia; and the Department of International Health, Johns Hopkins Bloomberg School of Public Health, and the Department of Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, Maryland.

Abstract

OBJECTIVE:

To update national population-level pregnancy-related mortality estimates and examine characteristics and causes of pregnancy-related deaths in the United States during 2011-2013.

METHODS:

We conducted an observational study using population-based data from the Pregnancy Mortality Surveillance System to calculate pregnancy-related mortality ratios by year, age group, and race-ethnicity groups. We explored 10 cause-of-death categories by pregnancy outcome during 2011-2013 and compared their distribution with those in our earlier reports since 1987.

RESULTS:

The 2011-2013 pregnancy-related mortality ratio was 17.0 deaths per 100,000 live births. Pregnancy-related mortality ratios increased with maternal age, and racial-ethnic disparities persisted with non-Hispanic black women having a 3.4 times higher mortality ratio than non-Hispanic white women. Among causes of pregnancy-related deaths, the following groups contributed more than 10%: cardiovascular conditions ranked first (15.5%) followed by other medical conditions often reflecting pre-existing illnesses (14.5%), infection (12.7%), hemorrhage (11.4%), and cardiomyopathy (11.0%). Relative to the most recent report of Pregnancy Mortality Surveillance System data for 2006-2010, the distribution of cause-of-death categories did not change considerably. However, compared with serial reports before 2006-2010, the contribution of hemorrhage, hypertensive disorders of pregnancy, and anesthesia complications declined, whereas that of cardiovascular and other medical conditions increased (population-level percentage comparison).

CONCLUSION:

The pregnancy-related mortality ratio and the distribution of the main causes of pregnancy-related mortality have been relatively stable in recent years.

PMID:
28697109
PMCID:
PMC5744583
DOI:
10.1097/AOG.0000000000002114
[Indexed for MEDLINE]
Free PMC Article

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