IGNOU Post B. SC. Nursing entrance -2021
Obstetrics & Gynaecology
Easy

A baby born before 37 weeks of gestation is called?

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

Explanation

  • The standard medical definition for a baby born before 37 completed weeks of gestation is 'Pre-term'.
  • This classification is based exclusively on the duration of the pregnancy (gestational age).
  • Sub-categories exist, such as extremely preterm (<28 weeks), very preterm (28 to <32 weeks), and moderate to late preterm (32 to <37 weeks).

Why Other Options Were Wrong

  • Option A: This term is defined by the baby's weight, not the length of the pregnancy. A baby is classified as Low Birth Weight (LBW) if they weigh less than 2,500 grams at birth.
  • Option B: This term, also known as Small for Gestational Age (SGA), describes a baby whose birth weight is below the 10th percentile for their specific gestational age. It indicates that the baby did not grow as expected in the womb.
  • Option D: This term describes a baby born at or after 42 completed weeks of gestation, which is the opposite of the scenario in the question.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Newborns by Gestational Age and Weight as background academic context rather than a clinical decision trigger.
  • Correctly classifying a newborn is critical for anticipating risks and planning care. Pre-term infants face risks from immature organ systems (e.g., respiratory distress syndrome, poor thermoregulation, feeding difficulties).
  • Nurses must provide specialized care for pre-term babies, including monitoring temperature, providing respiratory support, preventing infection, and assisting with nutrition.
  • What if the baby was born at 38 weeks but weighed 2.4 kg? The baby would be classified as a Term, Low Birth Weight (LBW), and Small for Gestational Age (SGA) infant. The primary concern would be related to growth restriction (e.g., hypoglycemia, poor feeding), not prematurity.
How to Approach the Question
  • First, identify the key parameter in the question stem, which is 'born before 37 weeks of gestation'.
  • Recognize that this is a measure of time (gestational age), not weight or size.
  • Review the options and recall the standard definitions for newborn classification.
  • Eliminate 'Low birth weight baby' as it relates to weight (<2.5 kg).
  • Eliminate 'Small for date baby' as it relates to weight compared to gestational age (e.g., <10th percentile).
  • Eliminate 'Post-term baby' as it refers to a longer gestation (>42 weeks).
Concept Tested & Keywords
  • Concept Tested: Classification of Newborns by Gestational Age and Weight
  • Stem keywords: baby, born, 37 weeks, gestation
  • Lead-in keywords: is called

Question ID

QrtEv5njnmFWClywkXJL8K

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) pp. 30-32, 31-33

E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 7-12

Practise the full IGNOU Post B. SC. Nursing entrance -2021

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