baby on board

Translations
пассажир с ребенком
The car had a 'baby on board' sign to alert other drivers.
На машине был знак 'ребенок на борту', чтобы предупредить других водителей.
Definitions
A sign or sticker, often displayed in vehicles, indicating that there is a baby or young child inside. It is intended to encourage other drivers to be cautious and to inform emergency responders in case of an accident.