Professional and Linguistic Assessments Board (PLAB) Practice Exam

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What marks the completion of the second stage of labor?

  1. Baby's head engaging

  2. Full dilation and delivery

  3. Placenta delivery

  4. First cry of the baby

The correct answer is: Full dilation and delivery

The completion of the second stage of labor is defined by full dilation of the cervix and the subsequent delivery of the baby. During this stage, the mother actively pushes to help the baby move down the birth canal. Once the baby has been delivered, this stage concludes, marking a critical transition point in the childbirth process. In comparison to the other options, engaging of the baby's head typically occurs in the first stage of labor, while the delivery of the placenta signifies the third stage of labor. The first cry of the baby, although an important milestone in the delivery process, does not define the transition out of the second stage. Instead, it often marks the beginning of the baby’s immediate adaptation to life outside the womb. Understanding these stages of labor is essential for effective labor management and supports the overall delivery process.