“You must not approach a woman to have sexual relations with her during her menstrual period.”
Leviticus 18:19 (BSB)
Context Reading
17You must not have sexual relations with both a woman and her daughter. You are not to marry her son’s daughter or her daughter’s daughter and have sexual relations with her. They are close relatives; it is depraved. 18You must not take your wife’s sister as a rival wife and have sexual relations with her while your wife is still alive. 19You must not approach a woman to have sexual relations with her during her menstrual period. 20You must not lie carnally with your neighbor’s wife and thus defile yourself with her. 21You must not give any of your children to be sacrificed to Molech, for you must not profane the name of your God. I am the LORD.