Leviticus 15:25-33

²⁵"If a woman has a discharge of blood for many days, not at the time of her impurity, or if she has a discharge beyond the time of her impurity, all the days of the discharge she shall continue in uncleanness; as in the days of her impurity, she shall be unclean. ²⁶Every bed on which she lies, all the days of her discharge, shall be to her as the bed of her impurity; and everything on which she sits shall be unclean, as in the uncleanness of her impurity. ²⁷And whoever touches these things shall be unclean, and shall wash his clothes, and bathe himself in water, and be unclean until the evening. ²⁸But if she is cleansed of her discharge, she shall count for herself seven days, and after that she shall be clean. ²⁹And on the eighth day she shall take two turtledoves or two young pigeons, and bring them to the priest, to the door of the tent of meeting. ³⁰And the priest shall offer one for a sin offering and the other for a burnt offering; and the priest shall make atonement for her before the LORD for her unclean discharge.

³¹"Thus you shall keep the people of Israel separate from their uncleanness, lest they die in their uncleanness by defiling my tabernacle that is in their midst."

³²This is the law for him who has a discharge and for him who has an emission of semen, becoming unclean thereby; ³³also for her who is sick with her impurity; that is, for any one, male or female, who has a discharge, and for the man who lies with a woman who is unclean.