RRB Staff Nurse Mumbai-2015
Obstetrics & Gynaecology
Easy

Following delivery in humans, the first milk is known as?

Appeared in: RRB Staff Nurse Mumbai-2015

Explanation

  • Colostrum is the first form of milk produced by the mammary glands immediately following delivery.
  • It is secreted for the first 2 to 4 days postpartum before transitional milk comes in.
  • It is a thick, yellowish fluid, characteristically rich in proteins, antibodies (especially IgA), and immune cells, providing crucial passive immunity to the newborn.
  • Its composition is perfectly suited for a newborn's needs, providing concentrated nutrition in small volumes and having a laxative effect to help pass meconium.

Why Other Options Were Wrong

  • Option A: Foremilk is not the first milk produced after delivery. It is the initial, more watery part of mature milk that is released during a single breastfeeding session.
  • Option B: Hindmilk is the fattier, more calorie-dense milk that is released towards the end of a breastfeeding session, after the foremilk. It is part of mature milk, not the first milk.
  • Option D: Transitional milk is the second stage of milk production, appearing after colostrum and before mature milk is fully established.

Related Visual

Visual explanation — Related Visual
  • Visual 1: Infographic: A timeline illustrating the three stages of breast milk (Colostrum, Transitional, Mature) with their distinct colors, compositions, and benefits for the newborn.
  • Visual 2: Table: A comparative chart detailing the nutritional breakdown (protein, fat, carbohydrates, immunoglobulins) of colostrum versus mature milk to highlight their different functions.
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Stages of human milk production after delivery as background academic context rather than a clinical decision trigger.
  • Nurses must educate new mothers on the immense value of colostrum, often called "liquid gold," and encourage feeding even if the volume seems small, reassuring them that it is highly concentrated and sufficient for the newborn's initial needs.
  • Initiating breastfeeding within the first hour of birth (the "golden hour") is a critical nursing intervention to ensure the baby receives the maximum benefits of colostrum and to help establish a successful breastfeeding journey.
  • What if? If a mother is separated from her baby due to a medical condition (e.g., baby in NICU), the nurse should encourage and assist the mother to hand-express colostrum as soon as possible. This expressed colostrum can then be fed to the baby to provide vital immune protection.
How to Approach the Question
  • Identify the key phrase in the question: "first milk" following "delivery".
  • Recall the chronological stages of lactation and breast milk production.
  • The sequence is: Colostrum → Transitional Milk → Mature Milk.
  • Recognize that 'Foremilk' and 'Hindmilk' are components of 'Mature Milk', not distinct early stages.
  • Based on this sequence, identify 'Colostrum' as the initial milk produced.
  • Select the option that matches this factual recall.
Concept Tested & Keywords
  • Concept Tested: Stages of human milk production after delivery.
  • Stem keywords: delivery, humans, first milk
  • Lead-in keywords: known as

Question ID

QwK3d0G372bH5FM1Aj-XcS

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