Inyan: Ketamim - Stains

Attributing a Ketem to Other Sources

Ketamim only make a woman niddah if they definitely came from uterine blood. If there is a reasonable assumption that the stain came from somewhere else, the woman is not niddah. For example, if a woman was cooking and working with red liquids, as long as it is reasonable to assume the ketemmay have come […]

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Type of Material

The halachot of ketamim are derived from the halachot of ritual impurity. Therefore, only stains found on something which is susceptible to ritual impurity are considered ketamim. The laws of ritual impurity are beyond the scope of this discussion, however, we will list a few practical examples of this halacha. Paper, toilet paper, and paper […]

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Colored Clothing

Ketamim only make a woman niddah if she found the ketem on skin or white clothing. If she found a ketem on colored clothing, she is not niddah. Light colors are considered colored and a ketem found on a light colored garment will not make a woman niddah. If a ketem is found on a […]

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Gris – Size of the Ketem

The ketem must be bigger than a gris. Only parts of the ketem which are halachically red are included in the gris. Colors such as white, green or yellow are not included. A gris is about the area of a penny, no matter the shape of the stain. It is sometimes difficult to figure out […]

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Introduction To Ketamim – Stains

According to Torah law, a woman only becomes niddah if she sees blood through a normal uterine discharge, in the way of a regular period. However, the Sages decreed that if a woman finds blood on her skin or clothing the woman is niddah. It is important to note that blood found on a bedikah […]

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