The Extra calories required during pregnancy?

Appeared in: PGIMER Chandigarh NO - 2015

Explanation

During pregnancy, an additional caloric intake is necessary to support the growth of the fetus, placenta, and maternal tissues.
The widely accepted recommendation is an extra 300-350 Kcal per day.
This increase is primarily for the second and third trimesters, as the first trimester requires minimal to no extra calories.
Among the given options, 300 Kcal is the most accurate and standard value taught for examination purposes.

Option A: 100 Kcal is an insufficient amount of extra energy for the majority of the pregnancy, especially during the second and third trimesters when fetal growth is most rapid.
Option B: An extra 600 Kcal per day is excessive for pregnancy and can lead to unhealthy weight gain. This value is the standard recommendation for the first six months of lactation (breastfeeding).
Option D: An extra 500 Kcal per day is not the standard for pregnancy. This amount is a common recommendation for the energy needs of breastfeeding (lactation).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Nutritional requirements during pregnancy as background academic context rather than a clinical decision trigger.
Proper nutritional counseling is a key nursing responsibility in antenatal care to ensure healthy outcomes for both mother and baby.
Inadequate caloric intake can lead to low birth weight, while excessive intake can result in macrosomia (large baby), gestational diabetes, and increased risk of obesity for the mother.
What if? If a woman is pregnant with twins, her caloric needs would be significantly higher, often requiring an additional 600 Kcal per day, not 300 Kcal.

How to Approach the Question

First, identify the core of the question: it's asking for the specific number of 'extra calories' needed during 'pregnancy'.
This is a factual recall question. Access your knowledge of nutritional requirements in pregnancy.
Be aware of common distractors. Questions about pregnancy nutrition often use caloric requirements for lactation as incorrect options.
Compare the given options (100, 600, 300, 500) to the standard recommendation (~300-350 Kcal).
Eliminate the options that are too low (100 Kcal) or are associated with lactation (500, 600 Kcal).
Select the option that most closely matches the established guideline for pregnancy, which is 300 Kcal.

Concept Tested & Keywords

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E6 Textbook of Biochemistry for medical StudentsDM Vasudevan Part 2 — Subpart A (pp 1-239 of 478) p. 196-198

E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) pp. 168-170, 20-22

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