The normal order of events taking place during the second stage of labour is:

ESIC Nursing Officer -2019 (Shift -1)

Obstetrics & Gynaecology

Easy

Appeared in: ESIC Nursing Officer -2019 (Shift -1)

Explanation

The second stage of labor involves a specific sequence of fetal movements, known as cardinal movements, for the fetus to navigate the birth canal.
The correct order of the key events listed in the options is: Descent, Flexion, Internal Rotation, Crowning, and Extension.
Descent is the continuous downward passage of the fetus through the pelvis.
Flexion occurs when the fetal head tucks its chin to its chest, presenting the smallest head diameter.
Internal Rotation involves the fetal head rotating to align with the anteroposterior diameter of the pelvic outlet.
Crowning is when the widest part of the fetal head is visible at the introitus and does not retreat between contractions.

Option A: This option incorrectly places internal rotation after crowning and extension. Internal rotation must occur before crowning to align the head for passage through the pelvic outlet.
Option B: This option incorrectly places crowning after extension. Crowning occurs as the head begins to extend and is visible at the perineum; it does not happen after the head has already been delivered by extension.
Option C: This option incorrectly places flexion at the end of the sequence. Flexion is one of the initial movements that happens as the head descends into the pelvis to reduce its presenting diameter.

Visual 1: Diagram - A series of illustrations showing the cardinal movements of labor (Descent, Flexion, Internal Rotation, Extension, External Rotation) as the fetus passes through the maternal pelvis. This helps visualize the entire mechanical process.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain This question tests the knowledge of the correct sequence of the cardinal movements of labor during the second stage as background academic context rather than a clinical decision trigger.
Understanding the cardinal movements allows the nurse to accurately assess labor progress and identify abnormalities (dystocia) that may require intervention.
By tracking these movements through vaginal examination (e.g., assessing fetal head station and position), the nurse can anticipate the next phase of labor and prepare for delivery.
Knowledge of this sequence helps the nurse provide appropriate coaching to the mother during the pushing phase, coordinating efforts with the natural mechanics of labor.

How to Approach the Question

This is a process-based recall question that requires knowledge of a specific physiological sequence.
First, identify the core topic: the cardinal movements of labor during the second stage.
Recall the standard sequence of these movements. A helpful mnemonic is 'Every Darn Fetus Is Extremely Eager to Exit' (Engagement, Descent, Flexion, Internal Rotation, Extension, External Rotation, Expulsion).
Focus on the movements provided in the options: Descent, Flexion, Internal Rotation, Crowning, and Extension.
Evaluate each option against the correct physiological order.
Eliminate options with clear errors in sequencing. For example, flexion must happen early, and internal rotation must happen before extension.

Concept Tested & Keywords

Concept Tested: This question tests the knowledge of the correct sequence of the cardinal movements of labor during the second stage.
Stem keywords: second stage of labour, normal order, events
Lead-in keywords: normal order
Negative lead-in flag: false

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