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Updated: Aug 13, 2026
Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index
Published on: January 8, 2020
Maternal mortality in the U.S. Department of Defense, 1993-1998
David M Haas1, Manuel E Rivera-Alsina, Michael F McNamara
1Department of Obstetrics and Gynecology, Naval Medical Center San Diego, San Diego, California, USA. haasdt@pol.net
Objective:
To determine the maternal mortality ratio (MMR) in Department of Defense medical facilities from 1993 to 1998.
Study Design:
We conducted a retrospective review of birth data from military medical facilities using the Standard Inpatient Data Records from 1993 through 1998. The total number of live births and dispositions due to maternal death were obtained.
Results:
Twenty-two maternal deaths occurred in the study time out of 398,107 live births, for an MMR of 5.5 per 100,000 live births. The ratiosfor the service branches were: Army 7.0, Navy 5.3 and Air Force 3.6. The leading cause of death was embolic disease.
Conclusion:
The military MMR is closer to the Healthy People 2010 goal of 3.3 than is the national ratio, 13.2. Improved reporting of cases, patient education and treating high-risk conditions may help further decrease pregnancy-related mortality.