A Quick Rundown of Milestones Achieved in 3 Months

Developmental Milestones For 3 Months Baby

Key highlights or summary

  • Developmental milestones refer to the skills a baby learns as they grow.
  • By the end of 3 months, babies become more active, responsive, and gain better control over their movements.
  • The timing of reaching milestones may vary among babies.
  • By three months, a baby transitions from a newborn to an alert and attentive infant.
  • Average weight gain of 1.5 to 2 pounds per month, a monthly increase in height of about 1 inch, and an increase in head size by half an inch per month.
  • New abilities include encircling with fingers, reacting to loud sounds, and gaining voluntary control over the body.
  • Warning signs indicating potential developmental problems include unresponsiveness to sounds, inability to grasp objects, lack of smiling, difficulty imitating sounds, and issues with eye movement.
  • Other signs include tight fist holding, inability to support the head, feeding difficulties, and persistent crossed eyes. 

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