Which of the following babies are termed as 'post term' babies? (ESIC-2016)

Appeared in: AIIMS Bhopal NO - 2018 (Shift-1st)

Explanation

A post-term or postmature infant is defined as a baby born at or after 42 completed weeks (294 days) of gestation.
This extended gestation period can lead to placental insufficiency, where the placenta's function declines, potentially compromising fetal oxygen and nutrient supply.
This is distinct from a full-term pregnancy, which is from 39 weeks 0 days to 41 weeks 6 days.
Post-term infants are at increased risk for complications like meconium aspiration syndrome, hypoglycemia, and perinatal asphyxia.

Option A: This range (33 to 35 weeks) falls under the classification of a preterm (or premature) baby, specifically moderate to late preterm.
Option B: This range (39 to 41 weeks) is the definition of a full-term baby, which is the ideal and most common gestational period for birth.
Option D: This range (36 to 38 weeks) covers the late preterm (36 weeks) and early term (37-38 weeks) periods. These infants have different risks compared to full-term or post-term babies.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of newborn by gestational age (Post-term) as background academic context rather than a clinical decision trigger.
Accurate determination of gestational age is critical for anticipating and managing potential neonatal complications. Post-term pregnancies require increased fetal surveillance (e.g., non-stress tests, biophysical profiles) to monitor for signs of fetal distress due to placental aging.
Nurses must be prepared for potential complications in post-term newborns, such as meconium aspiration syndrome, persistent pulmonary hypertension, and hypoglycemia, requiring immediate assessment and intervention at birth.
What if? If a baby is born at 36 weeks and 5 days, they are classified as 'late preterm.' The nurse's focus would shift from post-maturity risks to risks associated with prematurity, such as temperature instability, feeding difficulties, and hyperbilirubinemia.

How to Approach the Question

First, identify the key term in the question: 'post term'.
This is a factual recall question that requires knowledge of standard obstetric and neonatal definitions.
Recall the classifications of newborns based on gestational age.
Compare the given options to the standard definitions: Preterm (less than 37 weeks), Term (37 to less than 42 weeks), and Post-term (42 weeks or more).
Select the option that correctly matches the definition of 'post-term'.

Concept Tested & Keywords

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E6 Anatomy Grays 43e Vol 1 Part 3 p. 12-14

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1057-1059

Practise the full AIIMS Bhopal NO - 2018 (Shift-1st)

Attempt every question from this paper in a timed mock, then review the full solution for each one.