Tractate Niddah Highlights

Tractate Niddah


Daf 2: Any woman that has a regular “veset” (period), we presume she is ritually impure only from the time she checked and found herself to be bleeding (and not from beforehand, as those with an irregular “veset”).


Daf 3: Shamai: A woman is impure only from the time she discovers blood, as if we were to make her impure retroactively, it would impede procreation.


Daf 4: Sages: The law is not in accordance with Shamai or Hillel. Shamai did not set up a boundary (he is too permissive) and Hillel is too strict. Rather, she is impure retroactively until either her last check or the day before, whichever is closest.


Daf 5: A girl who has not reached the age of menstruation, even if her sheets are full of blood, she is still ritually clean.


Daf 6: Case: the maid of R’ Gamliel was baking loaves for Terumah. In between each loaf she washed her hands and checked herself. After the last loaf she checked and found herself impure. She asked R’ Gamliel and he said all the loaves are impure. She said: but I checked myself in between each loaf. He answered: if so, only the last loaf is impure.


Daf 7: R’ Eliezer: 4 women only defile things from the moment they see blood (and not retroactively): a minor, a pregnant woman, a nursing woman and an elderly woman.


Daf 8: There are three types of “virgins”: a human one, land and sycamore trees.


Daf 9: If a woman’s period was due, but she was hiding from soldiers or thieves and she did not check herself, we assume she is pure (did not bleed) as the fear forces the blood away.


Daf 10: The days of pregnancy can be added to the days of nursing to determine the time she has not menstruated to presume that she is ritually pure.


Daf 11: A woman that does not have a regular period cannot have relations until she has checked herself.


Daf 12: If a woman checks herself before relations, the husband may become concerned and refrain from relations.


1st Chapter Summary, “Shammai”: Biblically, a woman is ritually impure from the moment of menstrual bleeding. Any woman who has a set period does not become ritually impure retroactively. Whoever does not have a set period is ritually impure either from the day before confirmed bleeding or the last time she checked herself, whichever is the least time. However, all of this is only regarding the potential contamination of sanctified products (kodshim). Non-sanctified products (chulin) are only contaminated from the moment a women has confirmed menstrual bleeding. Spotting is confirmation of menstrual bleeding. 4 women are considered to contaminate only from the moment of confirmation and not retroactively: a girl who has never menstruated, a pregnant woman, a nursing woman and an elderly woman who has not had a period three times in a row.


Daf 13: Whoever holds his member and urinates is as if he brings a Flood to the world.


Daf 14:

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