Leviticus 22:27
When, a beeve or a sheep or a goat, is brought forth, then shall it be seven days under its dam, - and, from the eighth day and onwards, it shall be accepted as an oblation of an altar-flame unto Yahweh,
Exodus 22:30
Thus, shalt thou do with thine ox with thy sheep, a seven days, shall it be with its dam, on the eighth day, shalt thou give it to me.
Leviticus 12:2-3
Speak unto the sons of Israel, saying, A woman when she conceiveth seed and giveth birth to a male child, then shall she be unclean seven days, according to the days of her removal in her sickness shall she be unclean.
Leviticus 19:23-24
And when ye come into the land, and plant any manner of fruit-tree, then shall ye count as uncircumcised the fruit thereof, three years, shall it be to you as if unclean, it shall not be eaten.
Leviticus 22:25
Even at the hand of the son of a stranger, shall ye not bring near the food of your God of any of these, - for, their damage is in them, a blemish, is in them, they shall not be accepted for you.