Leviticus 15:23-25

Living Bible

^21-23 Anyone touching her bed or anything she sits upon shall wash his clothes and bathe himself and be ceremonially defiled until evening. ²⁴ A man having sexual intercourse with her during this time is ceremonially defiled for seven days, and every bed he lies upon shall be defiled.

²⁵ “If the menstrual flow continues after the normal time, or at some irregular time during the month, the same rules apply as indicated above,