And if any man lie with her at all, and her flowers be upon him, he shall be unclean seven days; and all the bed whereon he lieth shall be unclean.
And of her that is sick of her flowers, and of him that hath an issue, of the man, and of the woman, and of him that lieth with her that is unclean.
And if a man shall lie with a woman having her sickness, and shall uncover her nakedness; he hath discovered her fountain, and she hath uncovered the fountain of her blood: and both of them shall be cut off from among their people.
And hath not eaten upon the mountains, neither hath lifted up his eyes to the idols of the house of Israel, neither hath defiled his neighbour's wife, neither hath come near to a menstruous woman,
In thee have they discovered their fathers' nakedness: in thee have they humbled her that was set apart for pollution.
1 Thessalonians 5:22
Abstain from all appearance of evil.
Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.
1 Peter 2:11
Dearly beloved, I beseech you as strangers and pilgrims, abstain from fleshly lusts, which war against the soul;