Pediatric Nursing: Growth and developmental milestones · Patterns of Physical Growth
Understand how children grow, from newborn weight changes and fontanelles to growth charts, percentiles and the pubertal growth spurt.
For learning, not medical advice: for your own health, ask a doctor or another qualified professional.
Try 3 questions
1. A healthy infant weighed 3.5 kg at birth. Roughly what should the baby weigh around the first birthday?
- About 10.5 kg
- About 14 kg
- About 7 kg
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Answer: About 10.5 kg
Birth weight typically doubles by about 5 to 6 months and triples by 12 months, so 3.5 kg becomes roughly 10.5 kg.
2. By how much does a baby's length typically increase during the first year of life?
- About 25 percent
- About 100 percent
- About 50 percent
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Answer: About 50 percent
A newborn of about 50 cm usually reaches about 75 cm by 12 months, an increase of roughly half the birth length.
3. A breastfed newborn has lost 6 percent of birth weight by day three. What does this most likely indicate?
- An early feeding disorder
- Normal early fluid loss
- Insufficient breast milk supply
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Answer: Normal early fluid loss
Newborns normally lose up to about 7 to 10 percent of birth weight, mostly fluid, in the first days and regain it by around two weeks.
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