Fetching details from the dictionary...

cry of a baby at birth
呱々の声で目が覚めた。
I woke up to a baby's first cry.
隣の部屋から呱々の声が聞こえてきた。
I heard a baby's first cry from the next room.
呱々の声を上げた赤ちゃんを抱いて涙が出ました。
I held the newborn who let out their first cry and tears came to my eyes.