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What communication milestones should you expect in your 4-month-old?

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Four-month-olds are starting to discover themselves as unique individuals. They’re also beginning to notice that the people around them respond to their actions. When your baby cries, you come over. When he or she drops something on the floor, you pick it up. Many babies delight in dropping the same object over and over and over again, just to watch their parents repeatedly pick it up. Babies at this age are learning to be effective communicators. They express themselves through coos, vowel sounds such as ooh and aah, squeals, gurgles, and laughter. You’ll notice that your baby can use his or her face to express a wide range of emotions, from a beaming happy smile, to a crunched-up angry face, to open-mouthed surprise. Your 4-month-old is also starting to learn how to read emotions from your voice and facial expressions.

From: Baby Development: Your 4-Month-Old WebMD Medical Reference

SOURCES:

Feigelman S, ''The first year,'' in Kliegman RM, Behrman RE, Jenson HB, Stanton, BF, eds. 18 ed, Saunders Elsevier, 2007. Nelson Textbook of Pediatrics,th

Sears, W, MD, and Sears M, Little, Brown & Company, 1993. The Baby Book,

National Library of Medicine: ''Age-appropriate diet for children.''

Curtis, GB, MD, MPH, and Schuler J, , Da Capo Press, 2005. Your Baby’s First Year Week by Week

Jennifer Shu, MD, Pediatrician at Children’s Medical Group, Atlanta, and co-author of . Heading Home with Your Newborn

Joanne Cox, MD, Director of the Primary Care Center and Associate Chief of General Pediatrics, Boston Children's Hospital.

Reviewed by Dan Brennan on October 16, 2019

SOURCES:

Feigelman S, ''The first year,'' in Kliegman RM, Behrman RE, Jenson HB, Stanton, BF, eds. 18 ed, Saunders Elsevier, 2007. Nelson Textbook of Pediatrics,th

Sears, W, MD, and Sears M, Little, Brown & Company, 1993. The Baby Book,

National Library of Medicine: ''Age-appropriate diet for children.''

Curtis, GB, MD, MPH, and Schuler J, , Da Capo Press, 2005. Your Baby’s First Year Week by Week

Jennifer Shu, MD, Pediatrician at Children’s Medical Group, Atlanta, and co-author of . Heading Home with Your Newborn

Joanne Cox, MD, Director of the Primary Care Center and Associate Chief of General Pediatrics, Boston Children's Hospital.

Reviewed by Dan Brennan on October 16, 2019

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What should be checked for in your 4-month-old's well-baby visit?

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