Reference for Niddah 42:19

ת"ר

Again another [Baraitha] taught: If a woman aborted a shapeless object, R. Benjamin ruled: It must be split, and if there was a bone in it, its mother is unclean by reason of childbirth.<span class="x" onmousemove="('comment',' And she is subject to the restrictions of the laws of the prescribed days of both uncleanness and cleanness. Her period of uncleanness extends over fourteen days (prescribed for the birth of a female, and not seven as for a male) while her period of cleanness terminates on the fortieth day (prescribed for a male and not on the eightieth prescribed for a female). ');">¹⁶</span>

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