Al-Kāfi
Hadith 3454ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ صَفْوَانَ عَنِ الْعَلاَءِ عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ الْسَّلام) قَالَ لاَ يَكُونُ الْقُرْءُ فِي أَقَلَّ مِنْ عَشَرَةِ أَيَّامٍ فَمَا زَادَ أَقَلُّ مَا يَكُونُ عَشَرَةٌ مِنْ حِينِ تَطْهُرُ إِلَى أَنْ تَرَى الدَّمَ.
4. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Safwan from al-‘Ala’ from, Muhammad ibn Muslim who has said the following: “Abu Ja‘far (a.s.), has said, ‘The minimum Hayd (menses) free period is ten days, that is, the time from the end of one period of Hayd (menses) to the beginning of the second one.’”