Hadith
أَخْبَرَنَا عِيسَى بْنُ حَمَّادٍ، قَالَ أَنْبَأَنَا اللَّيْثُ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، عَنْ بُكَيْرِ بْنِ عَبْدِ اللَّهِ، عَنِ الْمُنْذِرِ بْنِ الْمُغِيرَةِ، عَنْ عُرْوَةَ، أَنَّ فَاطِمَةَ بِنْتَ أَبِي حُبَيْشٍ، حَدَّثَتْهُ أَنَّهَا، أَتَتْ رَسُولَ اللَّهِ صلى الله عليه وسلم فَشَكَتْ إِلَيْهِ الدَّمَ فَقَالَ لَهَا رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنَّمَا ذَلِكِ عِرْقٌ فَانْظُرِي إِذَا أَتَاكِ قَرْؤُكِ فَلاَ تُصَلِّي وَإِذَا مَرَّ قَرْؤُكِ فَلْتَطَهَّرِي ثُمَّ صَلِّي مَا بَيْنَ الْقُرْءِ إِلَى الْقُرْءِ " . قَالَ أَبُو عَبْدِ الرَّحْمَنِ قَدْ رَوَى هَذَا الْحَدِيثَ هِشَامُ بْنُ عُرْوَةَ عَنْ عُرْوَةَ وَلَمْ يَذْكُرْ فِيهِ مَا ذَكَرَ الْمُنْذِرُ .
It was narrated from 'Urwah that Fatimah bint Abi Hubaish narrated that she came to the Messenger of Allah (ﷺ) and complained to him about bleeding. The Messenger of Allah (ﷺ) said to her:"That is a vein, so when your period comes, do not pray, and when your period is over, purify yourself and pray in between one period and the next." Abu 'Abdur-Rahman said: Hisham bin 'Urwah reported this Hadith from 'Urwah, and he did not mention what Al-Mundhir mentioned in it
Sahih · Abu Ghuddah
Sunan an-Nasa'i 358 ·Book 3, Hadith 10·Also available on sunnah.com·