According to the Torah, a niddah simply counts seven days from the first day of her period (including the first day) and then goes to the mikveh to purify herself on the night following the seventh day.

A niddah (alternative forms: nidda, nida, or nidah; Hebrew: נִדָּה nidá), in traditional Judaism, is a woman who has experienced a uterine discharge of blood (most commonly during menstruation), or a woman who has menstruated and not yet completed the associated requirement of immersion in a mikveh (ritual bath).

The period of niddah is a time, usually lasting twelve days to fourteen days, when Jewish law forbids conjugal relations. Niddah begins with the onset of menstruation and is completed with the woman’s immersion in a mikvah , a ritual pool of water.

Niddah (“Woman who is Menstruating”) is a tractate in Seder Taharot (“Order of Purities”) that discusses the ritual impurity of a woman in her menstrual cycle or experiencing particular discharges and the accompanying prohibition of intercourse.

According to Jewish law, a woman is in a state of niddah (translated either as ritually impure or ritually unready) while she is menstruating, after childbirth or miscarriage and at any times of uterine bleeding.

Niddah ( /ˈnɪd.ə/; Nid-ah; Hebrew: נִדָּה) is a masekhet or tractate of the Mishnah and the Talmud, and is part of the order of Tohorot. The content of the tractate primarily deals with the legal provisions related to Halakha of Niddah.

Niddah (Heb. נִדָּה “menstruating woman”; literally, “one who is excluded” or “expelled”) is the practice according to Jewish law where a man is forbidden to maintain sexual relations with his wife during and for some time both before and after (see below) her menses.

Apr 18, 2018 · [5] In the Mishnah, the term niddah is used mostly to designate the menstruating woman herself, as well as secondarily with reference to the period itself (the Torah’s usage), and sometimes to the broad area of halakhah regulating the menstruant.

The Tractate Niddah, which comes seventh in the Mishnah editions of the Order of Tohoroth, is placed first in the editions of the Talmud, since it is the only Tractate in this order which consists of Gemara as well as Mishnah.

The treatise Niddah is devoted chiefly to a more accurate determination of these regulations and to the rules concerning a woman in childbirth (Lev. xii.).