birth parent

They are children whose birth parents couldn't take care of them.

In the end, the two daughters return to their original birth parents.

I never had an interest in searching for my birth parents.

After that they are free to carry out the search for their birth parents.

Why didn't we ever look for my birth parents, Dad?

She also gains information of her birth parents who are British.

"We think the birth parents should be involved," she said.

Workers often simply failed to determine whether the birth parents were able, or even wanted, to care for their children again.

None of the children wanted to go and live with their birth parents, but simply to keep contact.

The House passed a bill that would give future adopted children the right to information about their birth parents when they turn 19.