Numbers 5:20-22

New Catholic Bible

²⁰ But if you have gone astray while married to your husband, becoming defiled, and you have had sex with someone other than your husband,” ²¹ (at this point the priest will have the woman swear an oath to curse herself, and the priest will say to the woman) “then may the Lord make you a curse and a blight among your people. May the Lord make your loins rot and your womb swell;^{[a] 22} this water that brings on a curse will descend to your womb causing it to swell and your loins to rot.” The woman will then say, “Amen, amen.”