# 170 Normal Labor: The Four Stages, Fetal Heart Rate and Tracings

An episode of [Physician Assistant Exam Review](https://invisiblenetwork.ai/podcast/505246808), 9 Sep 2026, 22 min.

Audio: https://traffic.libsyn.com/physicianassistantexamreview/170_podcast.mp3

Cervical change is the whole test for true labor. Active labor starts at 6 cm, not 4. Late decelerations mean uteroplacental insufficiency. This episode walks through normal labor and the fetal heart rate tracing the way they actually get tested. The post 170 Normal Labor: The Four Stages, Fetal Heart Rate and Tracings appeared first on Physician Assistant Exam Review.

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