Parallel
Leviticus 18:19
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ πρὸς γυναῖκα ἐν χωρισμῷ ἀκαθαρσίας αὐτῆς οὐ προσελεύσῃ ἀποκαλύψαι τὴν ἀσχημοσύνην αὐτῆς
You must not approach a woman to have sexual relations with her during her menstrual period.