Jubilees 3:10

And for this reason the commandment is written on the heavenly tablets in regard to her that gives birth: 'if she bears a male, she shall remain in her uncleanness seven days according to the first week of days, and thirty and three days shall she remain in the blood of her purifying, and she shall not touch any hallowed thing, nor enter into the sanctuary, until she accomplishes these days which (are enjoined) in the case of a male child.