Reference for Niddah 82:1

ודם דרך רחם ואזדא ר' שמעון לטעמיה ורבנן לטעמייהו

while the blood issued<span class="x" onmousemove="('comment',' During the three days of labour, that preceded the birth. ');">¹</span>

Jastrow

Jastrow

Jastrow