A 36-year-old female asked:
when do babies laugh for the first time? she's 4 months old and smiles all the time.
2 doctor answers
Dr. Bac Nguyen answered
23 years experience Family Medicine
Baby is well & happy: Smiling or laughing is a sign of content and in a baby, it suggests she is feeling well/happy. We don't really know exactly when baby purposefully smiles, but often by 2 months, baby interacts with others, cooing, giggling, smiling, and crying too. So, my guess is around 2 months, some may do earlier, some later. Congrats on the baby. Baby=miracle of life. Enjoy and good luck.
Answered on Dec 9, 2013
Dr. Johanna Fricke answered
50 years experience Developmental and Behavioral Pediatrics
The average age is 4: Mos., but not all babies read the manual. Fake coughs & bronx cheers ("raspberries") are also 4 -month milestones. The important thing is that her smiling, cooing & gooing are socially reciprocal;i.E, she smiles & matches your high-pitched open-vowel sounds (ooh, aah) when you engage her. Put her in her own bed, drowsy but awake, to fall asleep before she develops implicit memory at 5 mos.
Answered on Dec 10, 2012
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