Is My Baby Growing Well? Weight, Length, Head Circumference, Percentiles | Dr. Rawan Demachkie
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Blog • Growth • Baby Development

Is My Baby Growing Well? How Pediatricians Read Growth Charts

Most parents worry about one number. Pediatricians look for a pattern. This guide explains percentiles, growth charts, what is normal, and the red flags you should not ignore.

Baby growth chart guide: pediatrician measuring infant weight and length with scale and measuring mat
Key idea: your baby does not need to be in a “high percentile.” Your baby needs to grow steadily on their own curve.

What pediatricians track

  • Weight (nutrition + hydration + illness impact)
  • Length/height (long-term growth pattern)
  • Head circumference (brain growth marker in infancy)

What percentiles actually mean

Percentiles compare your baby to other babies the same age and sex. A baby at the 20th percentile can be completely healthy. A baby at the 80th percentile can also be healthy. The trend is what matters.

Normal growth patterns parents misread

  • Some babies “find their curve” in the first months after birth
  • Growth can slow slightly after rapid early gain
  • Temporary dips can happen during illness and rebound after recovery

Red flags that need a pediatric check

Book an evaluation if you notice:
  • Crossing down multiple percentiles over time
  • Very low weight gain with poor feeding or frequent vomiting
  • Decreased wet diapers or signs of dehydration
  • Persistent diarrhea, blood in stool, or suspected allergy
  • Head circumference increasing too fast or not increasing as expected

Home checklist: what you should track for 7 days

  • Feeding frequency + approximate intake (or breastfeeding duration)
  • Wet diapers per day
  • Stool pattern (and any blood/mucus)
  • Sleep pattern changes and energy level
  • Any vomiting, reflux, or persistent spit-up pattern

What helps growth (simple, practical)

  • Correct feeding technique (latch, flow, paced bottle feeding)
  • Age-appropriate feeding schedule and spacing
  • Managing reflux, constipation, or allergies when present
  • Follow-up weights on the same scale when possible
Want a growth plan for your baby?
Book a consult. You will get a clear interpretation of your baby’s growth curve, what is normal for your child, and the exact next steps.