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premature labor
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premature labor
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医学
高危妊娠
释
premature labor
早产
妊娠满28孕周至不足37孕周之间(196~258天)的分娩。欧美及日本对早产的定义有所不同,认为24周以上或20周以上为早产儿。
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Automobile Club of the West
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