Leviticus 15:18-20

New Living Translation

¹⁸ After a man and a woman have sexual intercourse, they must each bathe in water, and they will remain unclean until the next evening.

¹⁹ “Whenever a woman has her menstrual period, she will be ceremonially unclean for seven days. Anyone who touches her during that time will be unclean until evening. ²⁰ Anything on which the woman lies or sits during the time of her period will be unclean.