Leviticus 15:18-20

New Century Version

¹⁸ “‘If a man has sexual relations with a woman and semen comes out, both people must bathe in water; they will be unclean until evening.

Rules About a Woman’s Body

¹⁹ “‘When a woman has her monthly period, she is unclean for seven days; anyone who touches her will be unclean until evening. ²⁰ Anything she lies on during this time will be unclean, and everything she sits on during this time will be unclean.