Most preterm births take place in Africa and Asia.

许多早产发生在非洲和亚洲。

youdao

Other gynecological and obstetrical problems may also be more common, including miscarriages and preterm births.

其他一些妇科和产科问题，包括流产和早产，在这种情况下可能也更多见。

youdao

The rate of preterm births (babies delivered after less than 37 weeks of pregnancy) decreased 1 percent, to 12.7 percent in 2007.

2007年，早产儿的比率(怀孕37周以内)降低了一个百分点，为12.7%。

youdao

We talked last week about a new report on preterm births the leading cause of death in newborn babies worldwide.

VOA: special.2009.10.26

Chris Howson says many of the causes of preterm births are related to poverty and weak health-care systems.

VOA: special.2009.10.19

Doctor Fleischman says there is concern especially about rising numbers of what are known as late preterm births.

VOA: special.2009.10.26

Preterm births have dipped slightly in the past three years, but the U.S. rate is still up by more than a third since the early 1980s.

WSJ: How Hospitals Save More Lives and Reduce Infections in Premature Babies