Defining and Managing Normal and Abnormal First Stage of Labor

Janine S. Rhoades, Alison G. Cahill

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations


Modern data have redefined the normal first stage of labor. Key differences include that the latent phase of labor is much slower than was previously thought and the transition from latent to active labor does not occur until about 6 cm of cervical dilatation, regardless of parity or whether labor was spontaneous or induced. Providers should have a low threshold to use one of the safe and effective interventions to manage abnormal progression in the first stage of labor, including oxytocin, internal tocodynamometry, and amniotomy.

Original languageEnglish
Pages (from-to)535-545
Number of pages11
JournalObstetrics and Gynecology Clinics of North America
Issue number4
StatePublished - Dec 2017


  • First stage of labor
  • Labor
  • Labor arrest
  • Labor curve
  • Labor dystocia

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