Weight of a low birth weight baby is?

Appeared in: IGNOU Post B. SC. Nursing entrance -2021

Explanation

The World Health Organization (WHO) and international medical consensus define Low Birth Weight (LBW) as a birth weight of less than 2500 grams (2.5 kg).
This definition applies to any infant, regardless of the gestational age at which they were born.
This threshold is a critical marker used globally to identify infants who are at a higher risk for mortality and various health complications.
The measurement should ideally be taken within the first hour of life before significant postnatal weight loss occurs.

Option B: A weight of less than 2600 g is not the standard cutoff for defining low birth weight. The internationally accepted threshold is 2500 g.
Option C: A weight of more than 2500 g is considered normal or average birth weight, not low birth weight. The average birth weight for an Indian baby is around 2800-3000 g.
Option D: A weight of more than 2800 g falls well within the normal range for a newborn and is not classified as low birth weight.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition of Low Birth Weight (LBW) as background academic context rather than a clinical decision trigger.
Identifying an LBW infant is a crucial first step for a nurse in the delivery room or NICU. It immediately flags the baby as 'at-risk' and triggers a specific set of protocols for care.
LBW infants require meticulous nursing care focused on thermoregulation, feeding support, and infection prevention to ensure survival and healthy development.
What if? If a baby weighs 2600g but is born at 35 weeks gestation, they are not classified as LBW based on weight alone. However, they are 'preterm' and still at high risk for complications like respiratory distress and feeding difficulties, requiring specialized neonatal care.

How to Approach the Question

This is a factual recall question that tests your knowledge of a standard medical definition.
Identify the key term in the question: 'low birth weight baby'.
Recall the internationally accepted weight threshold for this classification.
Evaluate the options to find the one that matches the correct definition (less than 2500 g).
Eliminate the other options as they represent incorrect thresholds or normal birth weights.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 30-32

E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 1 (pp 36-238 of 713) p. 177-179

E6 Nutrition Kumud Khanna 2e p. 133-135

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