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A 27-year-old member asked:

How do you tell when to change the height of crib mattresses?

2 doctor answers4 doctors weighed in
Dr. Jeanne Beymer
Pediatrics 29 years experience
Developmentally: If your baby can sit up on his/her own and is showing signs of trying to pull up to a standing position, it's time to drop the crib mattress as low as it will go. Don't wait until your baby is already able to stand up; some six-month-olds have fallen out of their cribs! once you lower the mattress, it's time to take out accessories like bumpers as well.
Dr. Evelyn Hurvitz
Pediatrics 37 years experience
Mobility: Once your child begins to get on his/her knees, or pulls to stand, the crib mattress should be lowered all the way to prevent climbing and falling.

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Last updated Apr 21, 2019
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