ו וכי ההוא דאתא לקמיה דרבא אמר ליה מהו לממהל בשבתא אמר ליה שפיר דמי בתר דנפק אמר רבא ס"ד דההוא גברא לא ידע דשרי לממהל בשבתא אזל בתריה אמר ליה אימא לי איזי גופא דעובדא היכי הוה
6 — The statement is justified in a case for instance, where the embryo put its head out of the ante-chamber;<span class="x" onmousemove="('comment',' And then draw it back (cf. Strashun). Although the head is now within (internal) the woman is unclean as if the embryo had actually been born (external). ');"><sup>12</sup></span> and this<span class="x" onmousemove="('comment',' The ruling that the projection of the head of the embryo without the ante-chamber is regarded as birth. ');"><sup>13</sup></span> is in agreement with R. Oshaia, for R. Oshaia stated, 'This<span class="x" onmousemove="('comment',' That a midwife is unclean for seven days if she touched a dead embryo before it was extracted, though its mother remains clean until extraction had been effected. ');"><sup>14</sup></span> is a preventive measure<span class="x" onmousemove="('comment',' Enacted by the Rabbis. Pentateuchally the embryo, being at the time an 'absorbed uncleanness', would convey no uncleanness at all. ');"><sup>15</sup></span> against the possibility that the embryo might put its head out of the ante-chamber';<span class="x" onmousemove="('comment',' Hul. 72a; and the midwife would then touch it when, having touched a corpse, her uncleanness would be Pentateuchal. Thus it follows that according to R. Oshaia the projection of the embryo's head without the ante-chamber is regarded as the actual birth. Similarly in the case under discussion, as soon as the embryo had put its head out of the ante-chamber its mother is subject to the uncleanness of birth as if the birth had taken place. ');"><sup>16</sup></span> and this<span class="x" onmousemove="('comment',' V. supra n. 2. ');"><sup>17</sup></span> is also in line with the following ruling: A certain person once came before Raba and asked him, 'Is it permissible to perform a circumcision on the Sabbath?' 'This', the other replied, 'is quite in order'. After that person went out Raba considered: Is it likely that this man did not know that it was permissible to perform a circumcision on the Sabbath? He thereupon followed him and said to him, 'Pray tell me all the circumstance of the case'.<span class="x" onmousemove="('comment',' Lit., 'how was the body of the incident?' ');"><sup>18</sup></span> 'I', the other told him, 'heard the child cry late on the Sabbath eve but it was not born until the Sabbath'. 'This is a case', the first explained to him, 'of a child<span class="x" onmousemove="('comment',' Whose cry could be heard. ');"><sup>19</sup></span>