Preterm Labor

  • Paul Lyons
Part of the Current Clinical Practice book series (CCP)


  1. 1.

    Preterm labor is uterine contractions resulting in progressive cervical change prior to 37 weeks’ gestation. Preterm delivery is delivery prior to 37 weeks’ gestation; low-birth weight infants are those that weigh less than 2500 g at delivery.

  2. 2.

    Prior to 34 weeks’ gestation, most patients should be considered for tocolysis; from 34 to 37 weeks’ gestation, such decisions must be made on a case-by-case basis.

  3. 3.

    Complications associated with preterm delivery include increased perinatal mortality and complications of prematurity (including respiratory distress, gastrointestinal dysfunction, hemorrhage, and abnormalities of growth and development).



Amniotic Fluid Preterm Delivery Bacterial Vaginosis Perinatal Mortality Preterm Labor 
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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Paul Lyons
    • 1
  1. 1.Department of Family MedicineUniversity of California, RiversideRiversideUSA

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