Leviticus 12:5

ἐὰν δὲ θῆλυ τέκῃ καὶ ἀκάθαρτος ἔσται δὶς ἑπτὰ ἡμέρας κατὰ τὴν ἄφεδρον καὶ ἑξήκοντα ἡμέρας καὶ ἓξ καθεσθήσεται ἐν αἵματι ἀκαθάρτῳ αὐτῆς