A–Z Glossary

Independent sitting

Independent sitting is a developmental milestone in which a baby can remain upright without continuous support from another person or object.

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When to Lower the Crib Mattress as Baby Starts Sitting and Standing

When to Lower the Crib Mattress as Baby Starts Sitting and Standing

The Short Answer: Lower Before the Skill Is Fully Mastered The most practical rule is to lower the crib mattress before your baby can use the crib rail as leverage. The American Academy of Pediatrics advises lowering the mattress before a baby can sit and setting it at the lowest position before the child learns […]