أَخْبَرَنَا أَبُو نُعَيْمٍ ، حَدَّثَنَا حَمَّادُ بْنُ سَلَمَةَ ، عَنْ عَلِيِّ بْنِ ثَابِتٍ ، عَنْ مُحَمَّدِ بْنِ زَيْدٍ ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ ، قَالَ :" الْحَيْضُ إِلَى ثَلَاثَ عَشْرَةَ، فَمَا زَادَ فَهِيَ مُسْتَحَاضَةٌ "

Abu Nu`aym told us, Hammad bin Salamah told us, on the authority of Ali bin Thabit, on the authority of Muhammad bin Zayd, on the authority of Saeed bin Jubayr, he said: “Menstruation Up to thirteen, and anything more is considered mustahaadah.”