Study Niddah folio 30B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
doesn’t the Mishnah teach that the woman observes the strictures of a menstruating woman, i.e., she is considered ritually impure every time she experiences bleeding, and does not observe any period of purity at all?
The Talmud answers: The Mishnah mentions that the woman observes the strictures of a woman who gave birth to a male to teach that if she sees blood on the 34th day after her miscarriage and again sees blood on the 41st day, her purity status shall be ruined, i.e., she shall be prohibited from havi
And similarly, with regard to the halakha that she observes the strictures of a woman who gave birth to a female, one ramification is that if she sees blood on the 70-4th day and again sees blood on the 81st day, her purity status shall be ruined until the 80-8th day. Although she observes ritual
§ The Mishnah teaches that R' Yishmael says: A woman who discharges on the 41st day after immersion observes both the strictures of a woman who gave birth to a male, and those of a menstruating woman, but not the strictures of a woman who gave birth to a female, as the formation of a male offsprin
It can therefore be inferred that just as when the verse deems a woman impure and then deems her pure for a total of 40 days in the case of a male, its amount of time is parallel to the time of the formation of a male embryo; so too, when the verse deems a woman impure and deems her pure for a total