Leviticus 15:26

15:26 Any bed she lies on all the days of her discharge will be to her like the bed of her menstruation, any furniture she sits on will be unclean like the impurity of her menstruation,

Leviticus 19:20

Lying with a Slave Woman

19:20 “‘When a man has sexual intercourse with a woman, although she is a slave woman designated for another man and she has not yet been ransomed, or freedom has not been granted to her, there will be an obligation to pay compensation. They must not be put to death, because she was not free.

Leviticus 20:18

20:18 If a man has sexual intercourse with a menstruating woman and uncovers her nakedness, he has laid bare her fountain of blood and she has exposed the fountain of her blood, so both of them must be cut off from the midst of their people.