18. If a man lies with a woman and there is an emission of semen, they shall both bathe themselves in water, and be unclean until the evening.
19. “If a woman has a discharge, and her discharge from her body is blood, she shall be in her niddah seven days. And whoever touches her will be unclean until the evening.
20. Everything that she lies on in her niddah will become unclean. Also everything that she sits on will become unclean.
21. Whoever touches her bed is to wash his clothes and bathe himself in water, and be unclean until the evening.
22. Whoever touches anything that she sits on is to wash his clothes and bathe himself in water, and be unclean until the evening.