Leviticus 15:33
the one who is sick in her menstruation, the one with a discharge, whether male or female, and a man who has sexual intercourse with an unclean woman.'"
Leviticus 15:19
"'When a woman has a discharge and her discharge is blood from her body, she is to be in her menstruation seven days, and anyone who touches her will be unclean until evening.
Leviticus 15:24-25
and if a man actually has sexual intercourse with her so that her menstrual impurity touches him, then he will be unclean seven days and any bed he lies on will be unclean.
Leviticus 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.