Leviticus 15:18-20

New Catholic Bible

¹⁸ “ ‘When a woman lies with a man and they have sex, they shall both bathe with water and they shall be unclean until the evening.

¹⁹ “ ‘If a woman has a discharge and the discharge from her body is blood, then she shall be impure for seven days, and whoever touches her shall be unclean until the evening. ²⁰ Everything upon which she lies during her menstrual impurity shall be unclean, and everything upon which she sits shall be unclean.