Chapters I-IV Ralph Tawil assisted in the writing of these chapters. Chapter IV. The laws of this chapter are adapted from Taharat Habayit Vol. 1 Chapter 1. 1. in Hebrew the word for uterus and source is the same: "Makor" Chapter V. The laws of this chapter are adapted from Taharat Habayit Vol. 1 Chapter 6. Chapter VI. The laws of this chapter are adapted from Taharat Habayit Vol. 1 Chapter 8. Chapter VII. The laws of this chapter are adapted from Taharat Habayit Vol. 1 Chapter 12. Chapter VIII. The laws of this chapter are adapted from Taharat Habayit vol. 1 chapters 3 and 13, and from Shulhan Aruch Yoreh Deah Chapter 196 2. All Ashkenazim are strict not to do a Hefsek Betahara until the sixth day after a woman's period has started, this is regardless whether she had relations with her husband or not. Additionally, some women are strict to wait seven days, "one who is lenient will be rewarded for doing a mitzvah earlier". Chapter IX. The notes of this chapter are present in the text. Chapter X The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh De'ah chapter 199 Chapter XI. The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh Dea'ah chapter 198 3. Chacham Ovadia Yosef, Yabia Omer vol. 2, Yoreh Deah, sec. 13 4. If she did have relations, she should not return to the mikveh because she may have become impregnated and then the child might mistakenly be looked at as a child conceived of forbidden relations. Chapter XII. The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh Dea'ah chapter 200 Chapter XIII The laws of this chapter are adapted from Taharat Habayit vol. 1 chapter 15 Chapter XIV. The laws of this chapter are adapted from Taharat Habayit vol. 1 chapter 2 5. The day for this rule is different in that it is from sunrise to sunset. 6. although she is a nidah. 7. unless her period has already started. 8. We do not assume that she had a short period and the blood was lost instead we are lenient since these rules of separation are rabbinical. Chapter XV The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh Dea'ah chapters 186 and 189 9. If a woman sees every other month on the same date of the Hebrew calendar she s considered to have a set period, and this is set after it as occurred three times in a row. - ibid. seif 9 10. This is a stricture since it requires five occurrences. - Shach. Chapter XVI The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh Dea'ah chapter 189 and Taharat Habayit vol. 1 chapter 2 Chapter XVII The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh Dea'ah chapter 189 and Taharat Habayit vol. 1 chapter 2 Chapter XVIII The laws of this chapter are adapted from Shulkhan 'Arukh Yoreh Dea'ah chapter 189 and Taharat Habayit vol. 1 chapter 2 11. she need not wait fourteen days if she gave birth to a girl. Chapter XIX The laws of this chapter are adapted from Taharat Habayit vol. 1 chapter 4 12. "immediately" is the amount of time it takes to say "Shalom Alecha rebbie". Chapter XX. The laws of this chapter are adapted from Taharat Habayit vol. 1 chapter 5 13.Yabia Omer, Chacham Ovadia Yosef, vol. 6 Yoreh Deah 16-4 Chapter XXII. The laws of this chapter are adapted from Taharat Habayit vol. 1 chapters 9 and 10 14. This is because such a woman has her periods at different times perhaps sexual relations will bring on her period.