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Related Experiment Videos

Anterior fontanel size

S Mathur1, R Kumar, G P Mathur

  • 1Department of Pediatrics, G.S.V.M. Medical College, Kanpur.

Indian Pediatrics
|February 1, 1994
PubMed
Summary
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The anterior fontanel, a soft spot on an infant's head, gradually closes by age 2. Its size decreases significantly from birth, with most closing by 24 months.

Area of Science:

  • Pediatrics
  • Human Anatomy
  • Developmental Biology

Background:

  • The anterior fontanel is a key anatomical feature in infants.
  • Understanding its size and closure patterns is crucial for assessing infant development.

Purpose of the Study:

  • To determine the normal size of the anterior fontanel in infants.
  • To establish the typical age range for anterior fontanel closure.

Main Methods:

  • A cross-sectional study was conducted involving 445 infants.
  • Infants ranged in age from newborns to 2 years.
  • Anterior fontanel size was measured.

Main Results:

  • Mean anterior fontanel size was 3.37 cm in neonates, decreasing to 0.37 cm by 24 months.

Related Experiment Videos

  • Anterior fontanel closure occurred by 12 months in 40%, 18 months in 70.4%, and 24 months in 91.3% of infants.

    • Conclusions:

    • The anterior fontanel size significantly decreases with age.
    • Closure is typically completed by 24 months of age in most infants.