Leviticus 18:19

Also you shall not approach a woman to uncover her nakedness during her menstrual impurity.

Leviticus 15:24

If a man actually lies with her so that her menstrual impurity is on him, he shall be unclean seven days, and every bed on which he lies shall be unclean.

Leviticus 20:18

If there is a man who lies with a menstruous woman and uncovers her nakedness, he has laid bare her flow, and she has exposed the flow of her blood; thus both of them shall be cut off from among their people.

Leviticus 15:19

When a woman has a discharge, if her discharge in her body is blood, she shall continue in her menstrual impurity for seven days; and whoever touches her shall be unclean until evening.

Ezekiel 18:6

and does not eat at the mountain shrines or lift up his eyes to the idols of the house of Israel, or defile his neighbor’s wife or approach a woman during her menstrual period—

Ezekiel 22:10

In you they have uncovered their fathers’ nakedness; in you they have humbled her who was unclean in her menstrual impurity.

Leviticus 12:2

“Speak to the sons of Israel, saying:‘When a woman gives birth and bears a male child, then she shall be unclean for seven days, as in the days of her menstruation she shall be unclean.

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

Leviticus 15:19
When a woman has a discharge, if her discharge in her body is blood, she shall continue in her menstrual impurity for seven days; and whoever touches her shall be unclean until evening.
Leviticus 20:18
If there is a man who lies with a menstruous woman and uncovers her nakedness, he has laid bare her flow, and she has exposed the flow of her blood; thus both of them shall be cut off from among their people.
Ezekiel 18:6
and does not eat at the mountain shrines or lift up his eyes to the idols of the house of Israel, or defile his neighbor’s wife or approach a woman during her menstrual period—
Ezekiel 22:10
In you they have uncovered their fathers’ nakedness; in you they have humbled her who was unclean in her menstrual impurity.