Leviticus 15:18-20

New King James Version

¹⁸ Also, when a woman lies with a man, and there is an emission of semen, they shall bathe in water, and ^(A)be unclean until evening.

^19 (B)‘If a woman has a discharge, and the discharge from her body is blood, she shall be ^[a]set apart seven days; and whoever touches her shall be unclean until evening. ²⁰ Everything that she lies on during her impurity shall be unclean; also everything that she sits on shall be unclean.