Application of the tenth revision of the International Classification of Diseases (ICD) to deaths during pregnancy, childbirth, and the puerperium (ICD-Maternal Mortality [MM]) divides maternal deaths into direct obstetric deaths (ie, deaths resulting from the obstetric complications of pregnancy, interventions, omissions, incorrect treatment, or a chain of events resulting from any of the above) and indirect obstetric deaths (ie, deaths resulting from a previous existing disease, or disease that developed during pregnancy that was not due to direct obstetric causes, but was aggravated by physiological effects of pregnancy).

中文翻译：

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产妇死亡率：直接或间接已无关紧要

将国际疾病分类（ICD）的第十次修订版应用于怀孕，分娩和产褥期的死亡（ICD-孕产妇死亡率[MM]），将孕产妇死亡分为直接的产科死亡（即，因产科并发症引起的死亡）。怀孕，干预，遗漏，不正确的治疗或以上任何一种因素导致的一系列事件）和间接产科死亡（即，以前既有疾病导致的死亡，或怀孕期间因非直接产科原因引起的疾病导致的死亡，但因怀孕的生理影响而加剧）。