Which of the following lead to greenish discoloration of the amniotic fluid?

Appeared in: HPSSC Staff Nurse - 2021

Explanation

Meconium is the first stool of a newborn, which is dark green and sticky.
When a fetus experiences stress or hypoxia in utero, the anal sphincter may relax, causing meconium to be passed into the amniotic fluid.
This meconium mixes with the normally clear amniotic fluid, staining it a greenish, yellowish, or brownish color.
The presence of meconium-stained amniotic fluid (MSAF) is a warning sign that requires careful fetal monitoring and preparation for potential neonatal complications, such as meconium aspiration syndrome.

Option A: Lanugo is the fine, downy hair that covers a fetus. It is shed into the amniotic fluid but is colorless and does not cause any discoloration.
Option B: Hydramnios (or polyhydramnios) refers to an excessive volume of amniotic fluid. It describes the quantity, not the color, of the fluid.
Option C: Vernix caseosa is a white, waxy substance that protects the fetal skin. It can make the amniotic fluid appear cloudy or milky but does not turn it green.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Assessment of Amniotic Fluid as background academic context rather than a clinical decision trigger.
Assessment of amniotic fluid color upon rupture of membranes is a critical nursing responsibility to identify potential fetal compromise.
Green-stained fluid is a significant finding that necessitates immediate communication with the provider, continuous fetal monitoring, and preparation for neonatal resuscitation due to the risk of meconium aspiration syndrome.
The consistency of the meconium (thin vs. thick 'pea soup') is also important to note, as thicker meconium poses a higher risk for airway obstruction in the newborn.

How to Approach the Question

First, identify the key information in the question: the subject is "amniotic fluid" and the specific characteristic is "greenish discoloration."
Recall the normal appearance of amniotic fluid, which is clear or pale straw-colored.
Evaluate each option based on its known properties and effect on amniotic fluid.
Consider Lanugo (fetal hair) and Vernix (waxy coating). These are normal components but are not green.
Consider Hydramnios. This term relates to the volume (quantity) of fluid, not its color.
Consider Meconium. This is the first fetal stool, which is known to be dark green. Its presence would logically stain the fluid green.

Concept Tested & Keywords

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E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 53-67

Practise the full HPSSC Staff Nurse - 2021

Attempt every question from this paper in a timed mock, then review the full solution for each one.