Baby month 3: cooing and laughing
Laughs out loud. Holds head 90°. Reaches for objects.
What's typical at 3 months
Laughs out loud. Holds head 90°. Reaches for objects. For the complete picture across all 24 months including red-flag thresholds, see the complete milestones pillar.
Sleep at month 3
Sleep patterns at month 3: consolidating somewhat, 5-7 feeds per day, 14-16 hours total. Individual variation is wide.
Feeding at month 3
Exclusive milk feeding. 24-32oz/day by month 4.
See pillar for detailed milestones. Remember: wide normal range, individual variation, trajectory matters more than dates.
Red flags for month 3
"Loses skills they once had" is always a red flag. By 6 months: doesn't roll over either direction, doesn't make vowel sounds, doesn't try to get things within reach. Call Early Intervention (free in US until age 3) for any concern. No referral needed.
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