Preterm birth is an important perinatal health problem across the globe.

早产是全球范围内一个重要的产期健康问题。

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Preterm birth is defined as a birth that takes place before 37 weeks gestation.

早产被定义为怀孕不到37周的生产。

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Preterm birth, Caesarean section and intrapartum complications were associated with neonatal death.

早产、剖腹产和产时并发症与新生儿死亡相关。

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His group and the World Health Organization recently published a report called "The Global and Regional Toll of Preterm Birth."

VOA: special.2009.10.19

Preterm birth rates in the United States have increased thirty-six percent in the last twenty-five years.

VOA: special.2009.10.19

And they had fewer preterm births and fewer babies with low birth weight.

VOA: special.2010.08.11

The drug is not intended for use in women with a multiple pregnancy, such as a twin pregnancy, or other risk factors for preterm birth.

FORBES: New Drug To Prevent Pre-Term Birth Approved

The causes of autism remain unknown, though a variety of risk factors for the disorder have been identified, including advanced parental age and preterm birth.

WSJ: Autism Diagnoses Up Sharply

The U.S. Food and Drug Administration today approved Makena (hydroxyprogesterone caproate) injection to reduce the risk of preterm delivery before 37 weeks of pregnancy, in pregnant women with a history of at least one spontaneous preterm birth.

FORBES: New Drug To Prevent Pre-Term Birth Approved