According to the halachic rulings of his father HaMaran Rishon L’Tzion HaGaon Chacham Ovadiah Yosef shilit’a.

Now in English this book is the foundation of the jewish family. The mitzvah of Taharat Mishpacha (family purity) these laws, dinim, and halachot are very important to understand them and to learn constantly and this sefer helps the individual to achieve that. The language and wording is clear and understanding, taking notice and concern for the reader and it encourage one to learn more and to fulfill the mitzvah.