Premature birth is the main cause of perinatal mortality.
早产是围产期死亡的主要原因。
《柯林斯英汉双解大词典》
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The foundation for the action plan is the global strategy for the prevention and control of noncommunicable diseases (2000), whose aim is to reduce prematuremortality and improve quality of life.
To identify the leading causes of mortality and prematuremortality in Cape Town, South Africa, and its subdistricts, and to compare levels of mortality between subdistricts.