Reference for Niddah 72:18

חיישינן שמא תשפה

that she might be relieved from her pain,<span class="x" onmousemove="('comment',' Before childbirth. As a result it would be evident that the discharge was one of zibah and the man cohabiting with the woman would be subject to kareth in Pentateuchal law. The woman, like any other who observed a discharge during the eleven days of zibah, must consequently remain unclean until another day, that was free from any further discharge, had passed. ');">¹⁶</span>

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