Rainbow baby?

Question

Dumb question here... I see this all the time but I never knew what it mean. What exactly is a rainbow baby?

Answer

A baby after a miscarriage/stillborn/infant death "the rainbow after the storm"

Answer

And sunshine babies/children are those who were born before the loss. 
Think of the "you are my sunshine" song.

Answer

A baby conceived after a loss

Answer

A baby conceived after a loss 💕  🌈