Your Baby Is 4 Weeks Old!

Time to break out your silliest faces — baby loves watching you make funny expressions. She's also drawn to contrasting patterns and light sources, so pick up some mobiles and baby toys with complex shapes for when your facial muscles tire. If baby seems a little cross-eyed, don't be alarmed — she won't be able to focus on things further than about 12 inches from her eyes until she's three or four months old. She's also starting to learn some sweet new sounds like "coo" and "ahh."
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Updated March 2, 2017
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Where’s that Gerber face?
Still wondering where the soft pink skin and rosy cheeks are? While some babies are clear-skinned from day one, many newbies develop skin sensitivities like acne and eczema in their first month. Baby will probably outgrow these in a few months, but in the meantime, make sure to use gentle cleansers or (in severe cases) cortisone treatments as recommended by your doc.


[tip]  Breastfeeding mommies: Apply a lanolin cream such as Lansinoh on your nipples between feedings to relieve any pain or dryness.

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All medical information reviewed by  Dr. Paula Prezioso of Pediatric Associates in New York City

Wrong week? Click here to update baby’s birth date.

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