A true contraindication for breastfeeding:-

AIIMS Manglagiri NO - 2019

Obstetrics & Gynaecology

Hard

Appeared in: AIIMS Manglagiri NO - 2019

Explanation

Phenylketonuria (PKU) is an inborn error of metabolism where the infant cannot break down the amino acid phenylalanine.
Breast milk naturally contains phenylalanine.
For an infant with PKU, ingesting breast milk leads to a toxic accumulation of phenylalanine, which causes severe and irreversible intellectual disability and neurological problems.
Therefore, unrestricted breastfeeding is absolutely contraindicated, and the infant must be fed a special phenylalanine-free formula.
This represents a fundamental incompatibility between the infant's metabolism and a normal component of breast milk, making it a 'true' contraindication.

Option A: While radiation therapy is a contraindication, it is typically temporary. The mother must stop breastfeeding only for a specific period until the radioactive agent is cleared from her body.
Option B: While HIV/AIDS is an absolute contraindication in resource-rich settings like the U.S., the World Health Organization (WHO) recommendations can differ for resource-limited settings, where breastfeeding might be advised with antiretroviral therapy. This makes the contraindication context-dependent, whereas the issue with PKU is universal.
Option C: Low birth weight is not a contraindication. On the contrary, it is a strong indication for breastfeeding, as breast milk provides optimal nutrition and immunological protection for premature and low-birth-weight infants.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of true contraindications for breastfeeding, distinguishing between absolute, relative, and temporary contraindications as background academic context rather than a clinical decision trigger.
Nurses must be able to accurately identify contraindications to breastfeeding to ensure infant safety and provide correct education to new mothers.
It is critical to differentiate between conditions that require complete cessation of breastfeeding (like PKU) and those that require temporary interruption (like certain medications or radiation therapy).
Patient education is key. A mother of an infant with PKU needs immediate and clear instruction on the necessity of a special formula and the dangers of breastfeeding to prevent catastrophic neurological damage.

How to Approach the Question

First, read the question carefully, noting the keyword 'true contraindication'. This implies you need to find the most definitive and universally accepted reason not to breastfeed among the options.
Evaluate each option based on your nursing knowledge.
Option A (Radiation therapy): Recognize this as a valid but temporary contraindication.
Option B (AIDS): Recognize this as a valid contraindication, but with context-dependent recommendations (resource-rich vs. resource-poor settings).
Option C (Low birth weight): Immediately identify this as incorrect; it's an indication for breastfeeding.
Option D (Phenylketonuria): Recall that this is an inborn error of metabolism in the infant. The infant cannot process a normal component of breast milk (phenylalanine), making it toxic. This is a fundamental and absolute contraindication to a normal diet.

Concept Tested & Keywords

Concept Tested: Identification of true contraindications for breastfeeding, distinguishing between absolute, relative, and temporary contraindications.
Stem keywords: true contraindication, breastfeeding
Lead-in keywords: TRUE

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E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 455-457

E6 Obstetrics Williams p. 49-70