Leviticus 22:27
When a bull or a lamb or a goat is brought forth, then it shall be seven days under the dam. And from the eighth day and from then on, it shall be accepted for a fire offering to Jehovah.
Exodus 22:30
Likewise you shall do with your oxen and with your sheep; it shall be with its dam seven days. On the eighth day you shall give it to Me.
Leviticus 12:2-3
Speak to the sons of Israel, saying, If a woman has conceived seed and has borne a male, then she shall be unclean seven days; as on the days of her menstrual impurity she shall be unclean.
Leviticus 19:23-24
And when you shall come into the land, and shall have planted all kinds of trees for food, then you shall count the fruit of them as uncircumcised. It shall be uncircumcised three years to you. It shall not be eaten.
Leviticus 22:25
And you shall not offer the bread of your God out of the hand of a son of a stranger, or any of these, because their uncleanness is in them, and blemishes are in them. They shall not be accepted for you.