The seven clean days of the bride once she has accepted the proposal (דם חימוד), the counting and the tevilah as close as possible to the בעילת מצוה, a postponed wedding that obliges her to recount, the שמירה when the kallah is נדה before the ייחוד, and מחזיר גרושתו — a topic treated with dignity and delicacy (Shulchan Aruch, Yoreh De'ah 192 — 5 seifim)
כָּל אִשָּׁה צְרִיכָה לִסְפֹּר שִׁבְעָה נְקִיִּים קֹדֶם נִשּׂוּאֶיהָ, מִשֶּׁתָּבְעוּהָ לְהִנָּשֵׂא וְנִתְפַּיְּסָה; אֲפִלּוּ בְּדָקָה עַצְמָהּ בִּשְׁעַת הַתְּבִיעָה וּמְצָאָה טְהוֹרָה — שֶׁמָּא מֵחֲמַת חִמּוּד רָאֲתָה טִפַּת דָּם כְּחַרְדָּל וְלֹא הִרְגִּישָׁה. וּמַתְחֶלֶת לִמְנוֹת מִיּוֹם הַמָּחֳרָת.
Every woman must count seven clean days before her wedding, once she has been asked in marriage and has accepted (נתפייסה); even if she checked herself at the time of the proposal and was found טהורה — for perhaps, out of חימוד (the emotion of desire), she saw a drop of blood כחרדל (like a mustard seed) without feeling it. And she begins to count from the next day.
Shulchan Aruch, Yoreh De'ah 192:1LEVEL 01
The 5 seifim vocalized, with a fluent English translation, broken into their rules: the seven clean days of דם חימוד once she accepts, the counting and the tevilah as close as possible to the wedding, the postponement that obliges recounting, the שמירה when the kallah is נדה before the ייחוד, and מחזיר גרושתו — explained with delicacy and practical cases, under the guidance of a kallah teacher.
📖 StudyLEVEL 02
In-depth pilpul: the nature of the gezeirah of דם חימוד (טיפת דם כחרדל without הרגשה) and why without a hefsek tahara, from which moment to count (התביעה / סמיכת הדעת), the principle of tevilah סמוך לבעילת מצוה and the customs (ליל ד'), recounting at the דחיית הנשואין, the חשש and the מחלוקת (תה״ד) on שמירה before the ייחוד, and the extension of חימוד to מחזיר גרושתו. חקירות and נפקא מינות.
📖 StudyLEVEL 03
Comparative tables (counting the חימוד / postponement, tevilah close to the wedding, kallah טהורה or נדה on the night of the ייחוד, with or without שומרים), golden rules, classic pitfalls (טיפת חרדל, recounting, מחזיר גרושתו) and memorization of the 5 seifim.
📖 StudyLEVEL 04
The shitah of the Tzemach Tzedek of Lubavitch and the Chabad mesorah on the דיני כלה — at the level of principle, referring for the minhagei chatuna to a Chabad Rav —, then the halacha lema'asse according to the Beit Yossef, the Rama, the Shach, the Taz, the Sidrei Tahara, the Chochmat Adam, the Aroukh haShulchan and contemporary pesak (Taharat haBayit, Shevet haLevi, Nitei Gavriel for the minhagei chatuna). Every conclusion refers to the Rav and the kallah teacher.
📖 StudyThe Shulchan Aruch (YD 192:1) rules that once the bride has been asked in marriage and has accepted (נתפייסה), she must count שבעה נקיים (seven clean days), even if she checked herself at the time of the proposal and was טהורה: for we are concerned that, out of חימוד (the emotion of the moment), she may have seen a drop of blood כחרדל (like a mustard seed) without feeling it. She begins to count from the next day after the proposal, and no hefsek tahara is required here. The practical application is carried out under the guidance of a kallah teacher (moret kallah) and the Rav.
The seven days are counted from when she sets her mind and prepares for the חופה, even before she is formally betrothed; the Rama teaches to perform the tevilah as close as possible to the בעילת מצוה (the wedding union), according to local custom. If the wedding is postponed, then even if she had already counted her נקיים, she must recount שבעה נקיים and re-immerse when they agree to marry — for the חימוד is renewed. The exact schedule (the date of the tevilah, postponement) is set with the kallah teacher and the Rav.
A חתן whose kallah has become נדה before the first union (the ייחוד) does not seclude (לא יתייחד) with her: he sleeps among the men, she among the women, and they are given a שומר / שומרת. The Rama cites a view (י״א) that, if she was טהורה at the wedding, there was no union, and she became נדה afterwards, this שמירה is not required — but one who is stricter is blessed (המחמיר תע״ב), and one does not distinguish בחור / אלמן, בתולה / אלמנה. A delicate situation, to be settled in practice with the Rav.
Yes: one who takes back his ex-wife (מחזיר גרושתו) is, in this respect, like a new bride — she must count שבעה נקיים, for the same concern of דם חימוד applies. Here too, the practical conduct is set with the Rav and, where needed, the kallah teacher.