Premature birth is three times more likely for twins, and delivery at 36 to 38 weeks is normal.

双胞胎的早产率要比一般的高出两倍，在36到38周之间分娩很正常。

柯林斯例句

Pregnant Women Who Smoke May Risk Fatal Injury and Premature Birth.

吸烟孕妇会导致致命伤害与早产.

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Premature Birth: Birth less than 37 weeks after conception.

早产: 早产为孕期不足37周的分娩.

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Kuwabara is trying to give a foetus a safe home to avoid premature birth.

而桑原的目的是帮助胎儿找到安全的生长场所,以防早产.

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In the term, stress in the mother can lead birth weight or premature birth.

母亲偶尔的紧张会造成胎儿体重过轻或者早产.

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Smoking By Pregnant Women May Result in Fetal Lnjury , Premature Birth, And Low Birth Weight.

孕妇抽烟,可能导致胎儿损伤,早产, 低出生体重儿.

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They already are known to raise the risk of premature birth and other complications.

但这些孩子要冒的已知风险如早产及其他的并发症.

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Premature babies require prolonged and intensive care and risk lifelong handicaps due to premature birth.

早产儿需要延长重症监护或因早产而终身残疾的风险.

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