Leviticus 15:24

Female Bodily Discharges

²³ And if it be on the bed, or on anything whereon she sitteth, when he toucheth it, he shall be unclean until the even. ²⁴ And if a man lie with her at all, and the uncleanness of her separation come upon him, he shall be unclean seven days; and every bed whereon he lieth shall be unclean. ²⁵ And if a woman have her flux of blood many days out of the time of her separation, or if she have the flux beyond the time of her separation, all the days of the flux of her uncleanness shall she be as in the days of her separation: she is unclean.

Sexual Relations

Leviticus 20:18

And if a man shall lie with a woman in her infirmity, and uncover her nakedness, her flux doth he lay bare, and she hath uncovered the fountain of her blood; and both of them shall be cut off from among their people.

Leviticus 18:19

And thou shalt not approach a woman in the separation of her uncleanness to uncover her nakedness.

Ezekiel 18:6

he hath not eaten upon the mountains, nor lifted up his eyes to the idols of the house of Israel, neither hath defiled his neighbour's wife, nor come near to a woman in her separation,

Leviticus 15:33

and for a woman who is sick in her separation, and for him that hath his flux; for the man and for the woman, and for him that lieth with her that is unclean.

Ezekiel 22:10

in thee have they discovered their fathers' nakedness; in thee have they humbled her that was unclean in her separation.

1 Thessalonians 5:22

hold aloof from every form of wickedness.

Hebrews 13:4

Let marriage be held every way in honour, and the bed be undefiled; for fornicators and adulterers will God judge.

1 Peter 2:11

Beloved, I exhort you, as strangers and sojourners, to abstain from fleshly lusts, which war against the soul;