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NIDAH 11 - dedicated by Mrs. Rita Grunberger of Queens, N.Y., in loving memory of her husband, Reb Yitzchok Yakov ben Eliyahu Grunberger. Irving Grunberger helped many people quietly in an unassuming manner and he is dearly missed by all who knew him. His Yahrzeit is 10 Sivan.


1. There is a dispute about the status of a pregnant or nursing woman who sees blood for the second time.
2. There is a dispute about whether blood declared Tahor by the Torah is assumed to have come from a different source.
3. There is a dispute about a girl who married before she was considered old enough to menstruate.
4. A woman must examine herself before and after she has relations only if she handles Taharos.
5. This law (see #4) applies regardless of whether she has a set time each month that she experiences her period.


1. Rebbi Meir: If a woman is pregnant or nursing, we do not suspect that she became Teme'ah before she saw the blood, even if she has seen blood twice or more during her pregnancy. Rebbi Yosi and others: The second time (and on) that she sees blood, we suspect that she became Teme'ah earlier.
2. Rav: All blood, whether menstrual (Tamei) or after seven days of childbirth (for a boy, which is considered Tahor blood), comes from the same place. The Torah simply declares when this blood is Tahor and when it is Tamei. Levi: Tahor blood comes from one source, and Tamei blood comes from a different source.
3. Beis Shamai: She may have relations for four nights before we assume that the blood she sees is from an Tamei source. Beis Hillel: She is considered Tahor as long as she does not have relations without seeing blood. This blood is a sign that the original wound has not healed. Once she has relations without seeing blood, any blood she sees from then on is considered Tamei.
4. Since she must ascertain after having relations whether she is Tahor in order to be able to handle Taharos, the Chachamim also instituted that she should examine herself before relations. However, if she does not handle Taharos, she does not have to examine herself at all.
5. A woman is presumed to maintain her current status until she states otherwise. A husband and wife should act according to this status until she informs him of a change in her status.

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