Reference for Niddah 76:21

והא בלא ולד קתני

the childbirth causes to be clean. It is impossible, however, for her to be in labour for twenty-six days, where there is no child,<span class="x" onmousemove="('comment',' This is discussed presently. ');">¹⁹</span>

Jastrow

Jastrow

Jastrow