Leviticus 15:18-20

International Standard Version

¹⁸ When a man has sexual relations with a woman and the man releases semen, both are to bathe with water, and they will remain unclean until evening.”

On Menstrual Discharges

¹⁹ “When a woman has a discharge,^[a] and the blood is her monthly menstrual discharge^[b] from her body, then for seven days she is to remain in her menstrual uncleanness. Whoever touches her will remain unclean until evening. ²⁰ Everything that she sleeps on during her uncleanness will be unclean. Moreover, everything that she sits on will become unclean.