Jami` at-Tirmidhi 1185
جامع الترمذي#1185Sahihحَدَّثَنَا مَحْمُودُ بْنُ غَيْلاَنَ، أَنْبَأَنَا الْفَضْلُ بْنُ مُوسَى، عَنْ سُفْيَانَ، أَنْبَأَنَا مُحَمَّدُ بْنُ عَبْدِ الرَّحْمَنِ، وَهُوَ مَوْلَى آلِ طَلْحَةَ عَنْ سُلَيْمَانَ بْنِ يَسَارٍ، عَنِ الرُّبَيِّعِ بِنْتِ مُعَوِّذِ بْنِ عَفْرَاءَ، أَنَّهَا اخْتَلَعَتْ عَلَى عَهْدِ النَّبِيِّ صلى الله عليه وسلم فَأَمَرَهَا النَّبِيُّ صلى الله عليه وسلم - أَوْ أُمِرَتْ - أَنْ تَعْتَدَّ بِحَيْضَةٍ . قَالَ وَفِي الْبَابِ عَنِ ابْنِ عَبَّاسٍ . قَالَ أَبُو عِيسَى حَدِيثُ الرُّبَيِّعِ الصَّحِيحُ أَنَّهَا أُمِرَتْ أَنْ تَعْتَدَّ بِحَيْضَةٍ .
AR-Rubayyi bint Mu'awwidh bin Al-Afra narrated:that she got a Khul during the time of the Prophet. So the Prophet ordered her - or: she was ordered - that she observe an Iddah of a menstruation
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: 13:11