How much blood makes a niddah?

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How much blood constitutes a Reiyah? What amount of blood on colored clothing would no longer be considered a kesem but would make the woman a nidah?






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    How much blood constitutes a Reiyah? What amount of blood on colored clothing would no longer be considered a kesem but would make the woman a nidah?






    halacha medicine niddah







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      up vote
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      up vote
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      favorite











      How much blood constitutes a Reiyah? What amount of blood on colored clothing would no longer be considered a kesem but would make the woman a nidah?






      halacha medicine niddah







      share|improve this question













      How much blood constitutes a Reiyah? What amount of blood on colored clothing would no longer be considered a kesem but would make the woman a nidah?






      halacha medicine niddah




      halacha medicine niddah






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      LN6595

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          Any small amount of uterine blood at all that leaves the uterus is enough. There is no minimum. (See Gemara Niddah 40a; Yoreh Deah 183 beginning with Shach:3)



          "...even if she only saw a drop of blood the size of a mustard seed; she must observe seven clean days for it."



          On the one hand, there is no amount mentioned by Chazal, that limits the exception on colored clothing. Any amount is merely a "kesem" (Rabbinical "stain" subject to those laws)



          On the other hand, some factors that would need the guidance of a Rabbi to see if a "large amount" of blood found upon colored clothing renders her a niddah or at least creates a doubt:



          a) It was an amount that equaled the usual stains she experiences during an onset of a menstrual flow.



          b) It happened at the time of her usual monthly period.



          c) There is no way the blood can be attributed to something else.



          d) She had a "Hargashah" or definite feeling of a flow from the uterus, or opening of the uterus.






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            up vote
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            down vote













            Any small amount of uterine blood at all that leaves the uterus is enough. There is no minimum. (See Gemara Niddah 40a; Yoreh Deah 183 beginning with Shach:3)



            "...even if she only saw a drop of blood the size of a mustard seed; she must observe seven clean days for it."



            On the one hand, there is no amount mentioned by Chazal, that limits the exception on colored clothing. Any amount is merely a "kesem" (Rabbinical "stain" subject to those laws)



            On the other hand, some factors that would need the guidance of a Rabbi to see if a "large amount" of blood found upon colored clothing renders her a niddah or at least creates a doubt:



            a) It was an amount that equaled the usual stains she experiences during an onset of a menstrual flow.



            b) It happened at the time of her usual monthly period.



            c) There is no way the blood can be attributed to something else.



            d) She had a "Hargashah" or definite feeling of a flow from the uterus, or opening of the uterus.






            share|improve this answer


























              up vote
              3
              down vote













              Any small amount of uterine blood at all that leaves the uterus is enough. There is no minimum. (See Gemara Niddah 40a; Yoreh Deah 183 beginning with Shach:3)



              "...even if she only saw a drop of blood the size of a mustard seed; she must observe seven clean days for it."



              On the one hand, there is no amount mentioned by Chazal, that limits the exception on colored clothing. Any amount is merely a "kesem" (Rabbinical "stain" subject to those laws)



              On the other hand, some factors that would need the guidance of a Rabbi to see if a "large amount" of blood found upon colored clothing renders her a niddah or at least creates a doubt:



              a) It was an amount that equaled the usual stains she experiences during an onset of a menstrual flow.



              b) It happened at the time of her usual monthly period.



              c) There is no way the blood can be attributed to something else.



              d) She had a "Hargashah" or definite feeling of a flow from the uterus, or opening of the uterus.






              share|improve this answer
























                up vote
                3
                down vote










                up vote
                3
                down vote









                Any small amount of uterine blood at all that leaves the uterus is enough. There is no minimum. (See Gemara Niddah 40a; Yoreh Deah 183 beginning with Shach:3)



                "...even if she only saw a drop of blood the size of a mustard seed; she must observe seven clean days for it."



                On the one hand, there is no amount mentioned by Chazal, that limits the exception on colored clothing. Any amount is merely a "kesem" (Rabbinical "stain" subject to those laws)



                On the other hand, some factors that would need the guidance of a Rabbi to see if a "large amount" of blood found upon colored clothing renders her a niddah or at least creates a doubt:



                a) It was an amount that equaled the usual stains she experiences during an onset of a menstrual flow.



                b) It happened at the time of her usual monthly period.



                c) There is no way the blood can be attributed to something else.



                d) She had a "Hargashah" or definite feeling of a flow from the uterus, or opening of the uterus.






                share|improve this answer














                Any small amount of uterine blood at all that leaves the uterus is enough. There is no minimum. (See Gemara Niddah 40a; Yoreh Deah 183 beginning with Shach:3)



                "...even if she only saw a drop of blood the size of a mustard seed; she must observe seven clean days for it."



                On the one hand, there is no amount mentioned by Chazal, that limits the exception on colored clothing. Any amount is merely a "kesem" (Rabbinical "stain" subject to those laws)



                On the other hand, some factors that would need the guidance of a Rabbi to see if a "large amount" of blood found upon colored clothing renders her a niddah or at least creates a doubt:



                a) It was an amount that equaled the usual stains she experiences during an onset of a menstrual flow.



                b) It happened at the time of her usual monthly period.



                c) There is no way the blood can be attributed to something else.



                d) She had a "Hargashah" or definite feeling of a flow from the uterus, or opening of the uterus.







                share|improve this answer














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                edited 1 hour ago

























                answered 2 hours ago









                David Kenner

                7,446522




                7,446522












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