Anaemia prophylaxis in pregnancy starts at:

IGNOU PB Bsc Entrance-2022

Obstetrics and Midwifery Nursing

Easy

Appeared in: IGNOU PB Bsc Entrance-2022

Explanation

Prophylactic iron and folic acid (IFA) supplementation is started in the second trimester of pregnancy, which begins in the 4th month (around 14-16 weeks).
This timing is chosen to avoid aggravating nausea and vomiting (morning sickness), which is common in the first trimester.
The demand for iron by both the mother (for increased blood volume) and the fetus (for growth and storage) rises significantly from the second trimester onwards, making this the optimal time to begin supplementation.

Option A: Starting iron supplementation in the 1st month is generally avoided because it can worsen the common first-trimester symptoms of nausea and vomiting.
Option B: The 2nd month is still within the first trimester, a period where morning sickness is often at its peak. Introducing iron supplements can decrease patient compliance due to exacerbated gastrointestinal side effects.
Option C: The 3rd month marks the end of the first trimester. While closer to the recommended time, standard guidelines advocate starting at the beginning of the second trimester (14-16 weeks) to ensure the period of most intense nausea has passed.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Timing of Anemia Prophylaxis in Pregnancy as background academic context rather than a clinical decision trigger.
Preventing maternal anemia is critical as it is linked to adverse outcomes like low birth weight, preterm delivery, and increased perinatal mortality. Nurses play a key role in educating patients on the importance of adherence.
Patient counseling is a vital nursing responsibility. Explaining that dark stools are a normal side effect of iron and providing tips to manage constipation can significantly improve compliance.
What if? If a pregnant woman is diagnosed with moderate to severe anemia (e.g., Hemoglobin less than 10 g/dL) in the first trimester, she would not wait until the 4th month. She would be started on a therapeutic dose of iron immediately, which is higher than the prophylactic dose.

How to Approach the Question

First, identify the core of the question: the starting time for 'anemia prophylaxis' in 'pregnancy'.
Recall the major phases of pregnancy (trimesters) and the common physiological events associated with each, especially the nausea and vomiting of the first trimester.
Consider the pharmacological properties of iron supplements, particularly their common gastrointestinal side effects.
Synthesize this knowledge: to avoid worsening first-trimester symptoms, it is logical to delay iron supplementation until after this period.
The first trimester ends at 12 weeks (3 months). Therefore, prophylaxis would start at the beginning of the second trimester, which is the 4th month.
Evaluate the options: '1st month', '2nd month', and '3rd month' all fall within the first trimester, making them less likely. '4th month' aligns perfectly with the start of the second trimester.

Concept Tested & Keywords

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E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart A (pp 1-275 of 550) p. 202-204