Leviticus 18:19

‘Also you shall not approach a woman to uncover her nakedness during her menstrual impurity and ceremonial uncleanness.

Leviticus 15:24

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

Leviticus 20:18

If a man lies [intimately] with a woman during her menstrual cycle and uncovers her nakedness, he has exposed her flow, and she has uncovered the flow of her blood; both of them shall be cut off from their people [excluding them from the atonement made for them].

Leviticus 15:19

‘When a woman has a discharge, if her bodily discharge 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 pagan shrines] on the mountains or raise his eyes to the idols of the house of Israel, or defile his neighbor’s wife or approach a woman during her [monthly] time of impurity—

Ezekiel 22:10

In you men have uncovered their fathers’ nakedness [the nakedness of mother or stepmother]; in you they have violated women who are [set apart as ceremonially] unclean during their menstrual impurity [or after childbirth].

Leviticus 12:2

“Speak to the children of Israel, saying,

‘If a woman conceives and gives birth to a male child, she shall be [ceremonially] unclean for seven days, unclean as during her monthly period.

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 bodily discharge 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 a man lies [intimately] with a woman during her menstrual cycle and uncovers her nakedness, he has exposed her flow, and she has uncovered the flow of her blood; both of them shall be cut off from their people [excluding them from the atonement made for them].
Ezekiel 18:6
and does not eat [at the pagan shrines] on the mountains or raise his eyes to the idols of the house of Israel, or defile his neighbor’s wife or approach a woman during her [monthly] time of impurity—
Ezekiel 22:10
In you men have uncovered their fathers’ nakedness [the nakedness of mother or stepmother]; in you they have violated women who are [set apart as ceremonially] unclean during their menstrual impurity [or after childbirth].