Numbers 5:27-29

Amplified Bible

²⁷ When he has made her drink the water, then it shall come about, that if she has defiled herself and has been unfaithful to her husband, the curse water will go into her and cause bitterness and cause her abdomen to swell and her thigh to waste away, and the woman will become a curse among her people. ²⁸ But if the woman has not defiled herself and is clean, then she will be free and conceive children.

²⁹ ‘This is the law of jealousy: when a wife goes astray [while married] and defiles herself,