19. If a woman has a discharge, and the discharge from her body is blood, she shall be set apart for seven days; and whoever touches her shall be unclean until the evening.
20. Everything that she lies on in her menstrual impurity shall be unclean. Also, everything that she sits on shall be unclean.
21. Whoever touches her bed shall wash his clothes and bathe himself in water, and be unclean until the evening.
22. Whoever touches anything on which she sits shall wash his clothes and bathe himself in water, and be unclean until the evening.