From: Determinants and causes of maternal mortality in Iran based on ICD-MM: a systematic review
 | Classification of causes of maternal deaths | N | % |
---|---|---|---|
Type | Group name/number | Â | Â |
Maternal death: direct | 1. Pregnancies with abortive outcome | 62 | 2.3 |
Maternal death: direct | 2. Hypertensive disorders in pregnancy, childbirth, and the puerperium | 458 | 17.3 |
Maternal death: direct | 3. Obstetric hemorrhage | 816 | 30.7 |
Maternal death: direct | 4. Pregnancy-related infection | 211 | 7.9 |
Maternal death: direct | 5. Other obstetric complicationsa | 282 | 10.6 |
Maternal death: direct | 6. Unanticipated complications of management | 26 | 1.0 |
 | Total Direct | 1855 | 69.9 |
Maternal death: indirect | 7. Non-obstetric complications | Â | Â |
• Diseases of the nervous system | 3 | 0.1 | |
• Diseases of the circulatory system | 217 | 8.1 | |
• Diseases of the respiratory system | 26 | 1.0 | |
• Diseases of the digestive system | 16 | 0.6 | |
• Diseases of the musculoskeletal system and connective tissue | 4 | 0.2 | |
• Diseases of the genitourinary system | 16 | 0.6 | |
• Other indirect causes | 266 | 10.0 | |
 | Total Indirect | 548 | 20.6 |
Maternal death: unspecified | 8. Unknown/undetermined | 138 | 5.2 |
 | Unclassified (not reported)b | 114 | 4.3 |
 | Total | 2655 | 100.0 |