Leviticus 15:18-20

Modern English Version

¹⁸ If a man lies with a woman, and there is an emission of semen, they shall both bathe themselves in water and be unclean until the evening.

¹⁹ If a woman has a discharge, and the discharge from her body is blood, she shall be set apart for seven days; and whoever touches her shall be unclean until the evening.

²⁰ Everything that she lies on in her menstrual impurity shall be unclean. Also, everything that she sits on shall be unclean.