19. ‘ “When a woman has her regular flow of blood, the impurity of her monthly period will last seven days, and anyone who touches her will be unclean till evening.
20. ‘ “Anything she lies on during her period will be unclean, and anything she sits on will be unclean.
21. Anyone who touches her bed will be unclean; they must wash their clothes and bathe with water, and they will be unclean till evening.
22. Anyone who touches anything she sits on will be unclean; they must wash their clothes and bathe with water, and they will be unclean till evening.