The nurse who elects to work in the specialty of obstetric care must have the ability to distinguish between preterm birth,preterm labor,and low birth weight.Which statement regarding this terminology is correct?

Question

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Before 20 weeks of gestation,the fetus is not viable (miscarriage); after 37 weeks,the fetus can be considered term.Although these terms are used interchangeably,they have different meanings: preterm birth describes the length of gestation (before 37 weeks),regardless of the newborn's weight; low birth weight describes only the infant's weight at the time of birth (2500 g or less),whenever it occurs.Low birth weight is anything below 2500 g or approximately 5½ pounds.In 2011,the preterm birth rate in the United States was 11.7 %; it has dropped every year since 2008.

The Nurse Who Elects to Work in the Specialty of Obstetric