The expected delivery date for a pregnant woman—the date the baby is predicted to be born.
出産予定日は来月の十日です。
My due date is the 10th of next month.
医師は出産予定日を超えた場合の対応について説明した。
The doctor explained the procedures in case the due date is passed.
出産予定日が近づいて、バッグの準備を始めた。
As the due date approached, I started packing my hospital bag.