Professional and Linguistic Assessments Board (PLAB) Practice Exam

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What does the first stage of labor involve?

Active pushing and delivery
The cervix dilates with regular contractions
Transition phase with intense contractions
Recovery after delivery

The correct answer is: The cervix dilates with regular contractions

The first stage of labor is characterized by the dilation of the cervix, which occurs in response to regular contractions. This stage is divided into two phases: the latent phase, where the cervix gradually opens from 0 to about 3-4 centimeters, and the active phase, which involves more intense contractions as the cervix continues to dilate from around 4 to 10 centimeters. In this context, the focus on the cervix dilating with regular contractions highlights the essential physiological changes taking place during early labor. It marks the beginning of active labor and is crucial for preparing the body for the eventual delivery of the baby. Throughout this stage, the mother may experience a variety of sensations and pain levels, which can vary greatly from person to person. The other stages mentioned do not pertain to the first stage of labor: active pushing and delivery pertain to the second stage, the transition phase describes a part of the first stage but is more specifically aligned with the latter part of dilation, and recovery after delivery relates to the postpartum period. Understanding these distinctions is key for comprehending the labor process as a whole.