وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ عَبْدِ اللَّهِ بْنِ أَبِي بَكْرِ بْنِ حَزْمٍ، عَنْ أَبِيهِ، عَنْ عَمْرَةَ بِنْتِ عَبْدِ الرَّحْمَنِ، عَنْ عَائِشَةَ أُمِّ الْمُؤْمِنِينَ، أَنَّهَا قَالَتْ لِرَسُولِ اللَّهِ صلى الله عليه وسلم يَا رَسُولَ اللَّهِ إِنَّ صَفِيَّةَ بِنْتَ حُيَىٍّ قَدْ حَاضَتْ ‏.‏ فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ لَعَلَّهَا تَحْبِسُنَا أَلَمْ تَكُنْ طَافَتْ مَعَكُنَّ بِالْبَيْتِ ‏"‏ ‏.‏ قُلْنَ بَلَى ‏.‏ قَالَ ‏"‏ فَاخْرُجْنَ ‏"‏ ‏.‏

Yahya related to me from Malik from Abdullah ibn Abi Bakr ibnHazm from his father from Amra bint Abd ar-Rahman that A'isha umm al-muminin said to the Messenger of Allah, may Allah bless him and granthim peace, "Messenger of Allah, Safiyya bint Huyy has begun herperiod," and the Messenger of Allah, may Allah bless him and grant himpeace, said, "Perhaps she will delay us. Has she done tawaf of theHouse with you?" They said, "Of course." He said, "So you are free toleave." Translation Not Available

Book Ref: Muwatta Imam Malik Book 20 Hadith 933
Web Ref:  Muwatta Imam Malik Book 20 Hadith 235