expression, godan verb (-su)
put up for adoption; send a child out for adoption
Used when a family gives their child to be adopted by another family. The subject is the original parent(s) or guardian(s).
経済的な理由で、その子を養子に出さざるを得なかった。
For financial reasons, they had no choice but to put the child up for adoption.
彼女
She gave her newborn baby up for adoption.