Leviticus 15:17-23

15:17 and he must wash in water any clothing or leather that has semen on it, and it will be unclean until evening. 15:18 When a man has sexual intercourse with a woman and there is a seminal emission, they must bathe in water and be unclean until evening.

Female Bodily Discharges

15:19 “‘When a woman has a discharge and her discharge is blood from her body, she is to be in her menstruation seven days, and anyone who touches her will be unclean until evening. 15:20 Anything she lies on during her menstruation will be unclean, and anything she sits on will be unclean. 15:21 Anyone who touches her bed must wash his clothes, bathe in water, and be unclean until evening. 15:22 Anyone who touches any furniture she sits on must wash his clothes, bathe in water, and be unclean until evening. 15:23 If there is something on the bed or on the furniture she sits on, when he touches it he will be unclean until evening,