Leviticus 15:19, 23
Leviticus 15:19 NKJV
‘If a woman has a discharge, and the discharge from her body is blood, she shall be set apart seven days; and whoever touches her shall be unclean until evening.
Leviticus 15:23 NKJV
If anything is on her bed or on anything on which she sits, when he touches it, he shall be unclean until evening.