How to introduce a new baby to a toddler
What to do before the baby comes, in the hospital, and in the first weeks home — plus what to watch for.
Devra Khoury
February 1, 2026
Before the baby comes
Read sibling books together. 'I'm Going to Be a Big Brother/Sister' is a classic.
Move the toddler out of the crib weeks before the baby needs it. Don't make the new baby cause the loss.
First meeting
Have someone else hold the baby when the toddler walks in. Mom's arms should be free for the toddler.
Offer the toddler a small role: 'Want to give the baby this blanket?' Inclusion beats exclusion.
First weeks home
Expect regression — bedwetting, baby talk, demanding bottle. It's temporary and normal. Don't punish or shame.
Carve out 15 minutes a day of one-on-one time with the older child. The behavior settles when they feel secure.
People also ask
When does jealousy peak?+
Often weeks 2–6 home. Fades as routines establish and toddler realizes they aren't being replaced.
Should the toddler help with diapers, etc.?+
Optional. Some kids love being a 'helper'. Others want zero involvement. Both are fine.
What if they show aggression toward the baby?+
Never leave them unsupervised. Address with words: 'Babies are gentle. Show me gentle.' Never shame; redirect.