Which of the following maternal condition can potentially lead to slowed foetal growth during pregnancy?

MP NHM CHO-2024 (Shift-2)

Obstetrics and Midwifery Nursing

Easy

Appeared in: MP NHM CHO-2024 (Shift-2)

Explanation

High blood pressure (hypertension) during pregnancy is a primary cause of Fetal Growth Restriction (FGR), a condition where the fetus is smaller than expected for the number of weeks of pregnancy.
Hypertension causes the mother's blood vessels, including the uterine arteries that supply the placenta, to constrict or narrow.
This vasoconstriction leads to decreased blood flow to the placenta (uteroplacental insufficiency), which in turn reduces the supply of oxygen and essential nutrients to the developing fetus.
The chronic lack of adequate nutrients and oxygen impairs the fetus's ability to grow, resulting in slowed overall growth and low birth weight.

Option A: This is incorrect because taking prenatal vitamins provides essential nutrients (e.g., folic acid, iron, calcium) that are crucial for promoting healthy fetal development and preventing congenital abnormalities.
Option B: This is incorrect because having controlled blood pressure is the desired state during pregnancy. It ensures stable and adequate perfusion of the placenta, which supports normal fetal growth.
Option D: This is incorrect because adequate hydration is vital for maintaining maternal blood volume, supporting placental circulation, and ensuring sufficient amniotic fluid. It is a positive factor for fetal health.

Visual 1: Diagram: A comparison of blood flow in a normal placenta versus a placenta affected by maternal hypertension, showing the constricted vessels and reduced perfusion in the hypertensive state.
Visual 2: Infographic: A chart listing the main causes of Fetal Growth Restriction, categorized into maternal (e.g., hypertension, smoking), placental (e.g., infarction, previa), and fetal (e.g., genetic disorders, infection) factors.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Maternal factors affecting fetal growth as background academic context rather than a clinical decision trigger.
Nurses play a critical role in monitoring blood pressure at every prenatal visit to detect and manage hypertension early, which is key to preventing severe complications like FGR and preeclampsia.
Patient education is a core nursing responsibility. Nurses must teach hypertensive pregnant women about the signs of worsening conditions (e.g., severe headache, vision changes, epigastric pain), the importance of medication adherence, and lifestyle modifications like rest in the left lateral position.
What if? If a mother with chronic hypertension also smokes cigarettes, the risk of FGR is significantly amplified. Smoking causes further vasoconstriction and introduces carbon monoxide, which reduces the oxygen-carrying capacity of blood, compounding the negative effects of hypertension on the fetus.

How to Approach the Question

First, analyze the question's core concept: it asks for a maternal condition that can slow or harm fetal growth.
Next, evaluate each option to determine if it represents a positive (healthy) or negative (pathological) factor for pregnancy.
Recognize that 'Regular prenatal vitamins intake', 'Controlled blood pressure', and 'Adequate hydration' are all positive health behaviors or states that support a healthy pregnancy and fetal growth.
Identify 'High blood pressure' as the only pathological condition among the choices. Pathological conditions are likely to have negative effects.
Based on this analysis, conclude that high blood pressure is the condition that would negatively impact fetal growth, making it the correct answer.

Concept Tested & Keywords

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