Leviticus 15:24

Female Bodily Discharges

²³ And if it is on the bed or on anything on which she sits, when he touches it, he shall be unclean until the evening. ²⁴ And if any man lies with her at all, and her impurity is on him, he shall be unclean seven days. And every bed on which he lies shall be unclean. ²⁵ And if a woman has an issue of her blood many days outside of the time of her impurity, or if she issues it beyond the time of her impurity, all the days of the issue of her uncleanness shall be as the days of her impurity. She is unclean.

Sexual Relations

Leviticus 20:18

And if a man shall lie with a menstruous woman, and shall uncover her nakedness, he has discovered her fountain, and she has uncovered the fountain of her blood. And both of them shall be cut off from among their people.

Leviticus 18:19

Also you shall not approach to a woman to uncover her nakedness in the impurity of her uncleanness.

Ezekiel 18:6

and has not eaten on the mountains, nor has lifted up his eyes to the idols of the house of Israel, nor has defiled his neighbor's wife, nor has come near a menstruating woman,

Leviticus 15:33

and of her that is menstruating, and of him that has an issue, of the man, and of the woman, and of him that lies with an unclean woman.

Ezekiel 22:10

In you they have uncovered their fathers' nakedness; in you they have humbled her defiled by impurity.

1 Thessalonians 5:22

Abstain from every appearance of evil.

Hebrews 13:4

Marriage is honorable in all, and the bed undefiled, but fornicators and adulterers God will judge.

1 Peter 2:11

Dearly beloved, I exhort you as temporary residents and pilgrims to abstain from fleshly lusts which war against the soul,