Which event marks the third stage of labor?

Study for the Sacramento State Medic Module 6 Test. Engage with flashcards and multiple-choice questions with detailed explanations. Prepare thoroughly for your assessment!

Multiple Choice

Which event marks the third stage of labor?

Explanation:
The third stage is the placental stage, which begins after the baby is born and ends with the expulsion of the placenta. After delivery, the uterus continues to contract to separate the placenta from the uterine wall, and when it detaches, it is expelled through the birth canal. This event—expulsion of the placenta—defines the end of birth and completes the third stage. The other events belong to earlier stages or are not defining stages: cervical dilation to 10 cm marks the end of the first stage, the delivery of the fetus marks the end of the second stage, and rupture of membranes can occur at various times during labor but is not a stage itself.

The third stage is the placental stage, which begins after the baby is born and ends with the expulsion of the placenta. After delivery, the uterus continues to contract to separate the placenta from the uterine wall, and when it detaches, it is expelled through the birth canal. This event—expulsion of the placenta—defines the end of birth and completes the third stage. The other events belong to earlier stages or are not defining stages: cervical dilation to 10 cm marks the end of the first stage, the delivery of the fetus marks the end of the second stage, and rupture of membranes can occur at various times during labor but is not a stage itself.

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