To diagnose prolonged latent phase in a nulliparous women, latent phase should be prolonged for: (A) > 6 hours, (B) > 10 hours, (C) > 14 hours, (D) > 20 hours
Answer is D. ParityProlonged latent phaseNulliparous> 20 hoursMultiparous> 14 hoursReference: William's Obstetrics; 25th edition; Chapter 23; Abnormal Labor