Study Niddah folio 11A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
continuously discharging menstrual blood, their time is sufficient for all their days of pregnancy and their time is sufficient for all their days of nursing. This is the statement of R' Meir. R' Yosei and R' Yehuda and R' Shimon all say: They said that her time is sufficient only with regard to th
§ The Mishnah teaches: And if she saw the first sighting as a result of unnatural circumstances, then even with regard to the second sighting her time is sufficient. Rav Huna says: If she jumped and saw menstrual blood, and again she jumped and saw menstrual blood, and a third time she jumped and s
The Talmud explains: Rather, the established menstrual cycle is caused by jumps, i.e., by observing a pattern of jumping and seeing blood 3 times, she has established that jumping causes the onset of her menstrual period. The Talmud raises a difficulty: But isn’t it taught in a baraita: Any woman
The Talmud answers: No, the baraita means that she has not established a fixed menstrual cycle of days alone, nor of jumps alone, but she has established a fixed menstrual cycle for a combination of days and of jumps. In other words, she has established a fixed menstrual cycle when she jumps on sp
Rav Ashi explains: Lest you say that the matter is revealed retroactively that it was the day that caused her to experience menstruation and not the jumping, and therefore she has established a menstrual cycle of menstruating on Sundays, regardless of jumping, the baraita teaches us that it was als