Leviticus 15:24

Female Bodily Discharges

²³ And if it [is] on the bed or on the object on which she sits, at his touching it he becomes unclean until the evening. ²⁴ And if a man indeed lies with her and her menstruation occurs on him, then he shall be unclean [for] seven days, and any bed on which he lies down becomes unclean. ²⁵ " 'And when a woman discharges a body fluid [consisting] of her blood [for] many days, [but] not [at] the time of her menstruation, or when she discharges in addition to her menstruation, all the days of her unclean body fluid discharge she shall become unclean as [in] the days of her menstruation.

Sexual Relations

Leviticus 20:18

As for a man who lies with a menstruating woman, he exposes her nakedness--her source he exposes and she herself reveals her blood's source--both of them shall be cut off from the midst of their people.

Leviticus 18:19

" 'And you must not {have sex with} a woman to expose her nakedness {during} her menstrual uncleanness.

Ezekiel 18:6

and on the mountains he [does] not eat and he [does] not lift up his eyes to the idols of the house of Israel, and the wife of his neighbor he [does] not defile and he [does] not approach a woman of menstruation,

Leviticus 15:33

and {concerning} the menstruating [woman] in her bleeding and the person who discharges his body fluid, for the male and for the female and for a man who lies with an unclean woman."

Ezekiel 22:10

They uncover [the] nakedness of father among you; they violate [a woman] unclean of menstruation among you.

1 Thessalonians 5:22

Abstain from every form of evil.

Hebrews 13:4

Marriage [must be] held in honor by all, and the marriage bed [be] undefiled, because God will judge sexually immoral people and adulterers.

1 Peter 2:11

Dear friends, I urge [you] as foreigners and temporary residents to abstain from fleshly desires which wage war against your soul,