1·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》
2·Premature Birth: Birth less than 37 weeks after conception.
早产：早产为孕期不足37周的分娩。
3·In those years, premature birth was often a death sentence.
那个年代，早产可以说就是宣告死亡。
4·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。
5·Conclusion: Premature birth was the main causes of infantile disease and death.
结论：早产是新生儿发病和死亡的主要原因。
6·The boy's mother had suffered from diabetes, which may have caused the premature birth.
男童的母亲患有糖尿病，可能因此造成早产。
7·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。
8·There are also increased risks for premature birth, low birthweight, and miscarriage.
同时也增加早产、低出生体重儿和流产的风险。
9·Pregnant smokers are more likely to have low birth weight babies and premature birth.
孕妇吸烟更可能出生低体重儿和早产。
10·Premature birth is one of the main reasons of perinatal death and pregnancy complications.
早产是妊娠期围生儿死亡及并发症的主要原因之一。