Reference for Niddah 106:35

והא זימנין סגיאין בעא מינך ולא אמרת ולא מידי דלמא אגב שיטפך אתיא לך

OR ON THE EIGHTIETH DAY AFTER THE BIRTH OF A FEMALE,<span class="x" onmousemove="('comment',' From the fifteenth to the eightieth day after the birth of a female all discharges of blood are clean and after the eightieth day the menstruation period followed by that of zibah (cf. prev. n.) begins. ');">²⁹</span>

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