what is the meaning of the idiom dont count your chickens before they hatchwhat is the meaning of the idiom don't catch your chickens before they hatch

You shouldn't assume that something will definitely happen before it really does. Don't make plans based on predicted results that haven't occurred yet. This phrase is often shortened to Don't count your chickens. Origin. A hen (female chicken) lays eggs from which young chickens (chicks) "hatch" or emerge.