The condition is usually present at birth and is more common in premature infants.

儿童白内障通常是先天性的，在早产儿中更为常见。

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Such tumours usually occur within four weeks of birth and more often affect premature infants.

这类肿瘤通常在婴儿出生四个星期内存在，而且往往影响早产儿。

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Objective:To observe the therapeutic effect of naloxone used in treatment of premature infants with apnea.

目的：观察纳洛酮在治疗早产儿呼吸暂停中的疗效。

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Infant inflammation : Extremely premature infants are often placed on mechanical ventilators to help them breathe.

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In developed economies this is a known problem with a known solution: we use incubators to warm premature infants until they are self-sufficient.

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Premature infants, who make up two-thirds of infant deaths, often suffer serious health problems at birth, with undeveloped lungs, organs and digestive systems.

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