Nidda, Marriage, Mikveh, Love, Torah, Family Purity


Family Purity

My Official Site


Belief in Marriage &

Happy Families


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For decades my passion has been spreading Jewish family law.

I've published eight books and reply to inquiries through numerous websites on this subject.

I believe strongly, especially today, in the free flow of information.

Enjoy roaming this site. Take advantage of the resources offered here.

I am here to help. Contact me any time.

     ––Rabbi Fishel Jacobs (Kfar Chabad, Israel)

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Jacobs, nidda, marriage, mikveh, Torah

"Family purity draws love and harmony into the marriage and home."

                                   — Rabbi Jacobs

Note: This site is under construction. We add important material daily.

Check back regularly.


Online Classes

Online chosen classes.

Textbook: Family Purity; and assigned texts.

6-10 online meetings.

Merit or need-based tuition grants or waivers available.


Contact Me

Rabbi Jacobs is available for certification:

• halachic websites

• choson/kallah teachers

•  cooperatively developed projects

• special lectures

Nidda, Marriage, Mikveh, Love, Torah, Family Purity

The marriage and family is the building block from which the entire Jewish People is built.

The Rebbe

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nidda, marriage, mikveh, Torah, mikvah

Contact Rabbi

Jacobs Now

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(212) 655-9278

Box 316

Kfar Chabad,

Israel 6084000

Nidda, Marriage, Mikveh, Love, Torah, Family Purity
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(Times' Hebrew edition)

Major Customs


(Times' Hebrew edition) Chabad custom

Times (web edition)

Chabad custom

Times (web edition)

Major Customs

Perfect Marriage (Audio)

(by Rabbi Matti Lyles)

Permission is granted to download & disseminate these writings unaltered.

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From The Rebbe

Chapter 2 - Niddah


by Rabbi Jacobs

Summary of above audio

Audio: Chapter 2


by Rabbi Jacobs

Summary of above audio

Printable Calendar

2024 - 2025 (5785)

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Nidda - Source, Overview


Perfect Marriage

By definition, there is no perfect marriage. Perfection is without flaw. It even suggests effortlessness. Marriage is not this.

Marriage is a framework in which two distinctly different individuals, from separate backgrounds and families, each with his/her own personal needs, form a new entity—a couple. Now, what really matters is the mutual good—the success of the marriage.

To suggest that this can be achieved in an offhand manner would be misleading. Marriages undergo evolutionary changes. They are dynamic. They begin as the union between two lives. With the passing of time, these lives adapt, and with the achievement of mutual goals (raising children, paying bills, buying a home) merge into one.

This is an evolutionary process unattainable so long as each partner continues to be concerned mainly with his or her personal satisfaction. This is simply not a marriage.

Nidda - Basis

Although not directly related to the specific laws of family purity per se, there are a number of issues which the husband should be aware of in the larger context of married life.

The time of the wife's menstruation is, in many cases, and to varying degrees, an uncomfortable one for her. Even prior to the onset of menstruation some women experience the physical or emotional discomfort called Premenstrual Syndrome.

As a result of the uterus expelling blood, many women experience menstrual cramping (Dysmenorrhea). This is a biological phenomenon over which she has little control. Both of these subjects are discussed in more detail in the Appendix.

Nidda - Basis (Audio)

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Overview - Purity Cycle (Download printable copy.)

About this Overview . The following purity cycle, as it most commonly occurs, is presented as a succinct reference.

Note that almost every detail, however, can have deviations with potential repercussion, many of which are covered in this book.

Niddah State . The wife enters a niddah state (impurity) when menstruation begins.

Separation . Until she immerses, all physical contact with her husband ceases.

Ascertaining Bleeding Ceased . When at least five days have passed, prior to sunset the wife washes her entire body, particularly the private area, with warm water. Then, with a soft white cloth wrapped around the fingers, she internally examines herself. If this is clean from discoloration, again before sunset, she inserts a soft white cloth into her private area. This is removed after nightfall.

Seven White Days . If that is clean from discoloration, she begins the Seven White Days. During these days she wears white underpants, and sleeps on white bed sheets. Every day, she examines herself twice daily with a soft white cloth.

Preparation . On the last of the Seven White Days she scrupulously washes her entire body, including shampooing and combing the hair, brushing her teeth and making sure the body is free from intervening substances.

Immersion . After nightfall she immerses in the mikveh.

Permissible Times . The times when marital relations are permissible.

Separation Dates . On an ongoing basis, throughout married life, the dates when menstruation begins and finishes are recorded. From these are projected separation dates in anticipation of the upcoming menstruation.