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Question

An apparently well male neonate delivered by vaginal route in hospital is discharged on day 2 of life. He is brought to the outpatient department on day 4 of life as the mother complains of pink staining of his diapers. There is no bleeding from urethra or per rectum noticed during examination, and urine dipstick test for RBCs is negative. The baby is appearing playful and active. The most likely etiology of pink staining of diapers is:

This question was previously asked in
UPSC CMS 2026 Surgery, Gynaecology & Obstetrics, and PSM Question Paper (02-Aug-2026)
The correct answer is

Urate crystals in urine

Pink or brick-red staining of diapers in an otherwise healthy neonate in the first week of life, with a negative urine dipstick for blood, is a benign and common finding caused by urate crystals (uric acid infarcts) in concentrated newborn urine, not true hematuria or hemoglobinuria.

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Important Questions from Neonatal Care

  1. Which one of the following statements is correct regarding physiology of breastfeeding?
  2. If a baby does not begin breathing in response to tactile stimulation, then the baby is assumed to be in:
  3. Consider the following conditions :
    Response to tactile stimulationHeart RateBlood PressureTone
    AYesNormalNormalNormal
    BYesFallingNormalDecreasing
    CNoFallingFallingDecreasing
    DNoRisingNormalNormal
    Primary apnea in a neonate is characterized by which one of the above conditions?
  4. Consider the following statements about human breast milk : 

    1. 75% of breast milk content is water. 

    2. Breast milk is poor in taurine and cysteine. 

    3. Breast milk is particularly rich in omega 2 and omega 6 fatty acids. 

    4. High lactose content of breast milk helps in absorption of calcium. 

    Which of the statements given above are correct?

  5. Which of the following are signs of good attachment during breastfeeding? 

    1. The baby's nose is at the level of the nipple. 

    2. The baby's mouth is wide open. 

    3. The baby's chin touches the breast. 

    4. The baby's lower lip is everted. 

    Select the correct answer using the code given below:

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