When A women's menstrual cycle begins she is unclean / no sex for seven days

Question 1

And if a woman have an issue, and her issue in her flesh be blood, she shall be put apart seven days: and whosoever toucheth her shall be unclean until the even.

Answer 1

Leviticus 15:19

Question 2

Also thou shalt not approach unto a woman to uncover her nakedness, as long as she is put apart for her uncleanness.

Answer 2

Leviticus 18:19

Question 3

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.

Answer 3

Leviticus 20:18

Question 4

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,

Answer 4

Ezekiel 18:6