Sunan Abi Dawud 283
سنن أبي داود#283Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ الْقَعْنَبِيُّ، عَنْ مَالِكٍ، عَنْ هِشَامٍ، بِإِسْنَادِ زُهَيْرٍ وَمَعْنَاهُ وَقَالَ " فَإِذَا أَقْبَلَتِ الْحَيْضَةُ فَاتْرُكِي الصَّلاَةَ فَإِذَا ذَهَبَ قَدْرُهَا فَاغْسِلِي الدَّمَ عَنْكِ وَصَلِّي " .
This tradition has also been transmitted by Zuhair through a different chain of narrators, to the same effect. He said:When the menstruation begins, you should abandon prayer; when the period equal to its length of time passes, you should wash away the blood and pray
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 1:283