Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
darimi:1073 – Khālid > Mālik > Nāfiʿ > Arsal ʿAbdullāh b. ʿAbdullāh b. ʿUmar > ʿĀʾishah Liyasʾalahā Hal Yubāshir al-a man Āmraʾatah And Hī Ḥāʾiḍ

[Machine] "To tighten her belt around her waist and then to engage with her."  

الدارمي:١٠٧٣ – أَخْبَرَنَا خَالِدٌ حَدَّثَنَا مَالِكٌ عَنْ نَافِعٍ قَالَ أَرْسَلَ عَبْدُ اللَّهِ بْنُ عَبْدِ اللَّهِ بْنِ عُمَرَ إِلَى عَائِشَةَ لِيَسْأَلَهَا هَلْ يُبَاشِرُ الرَّجُلُ امْرَأَتَهُ وَهِيَ حَائِضٌ؟ فَقَالَتْ

«لِتَشُدَّ إِزَارَهَا عَلَى أَسْفَلِهَا ثُمَّ يُبَاشِرُهَا»  

See similar narrations below:

Collected by Mālik
malik:2-96 – Mālik > Nāfiʿ > ʿUbaydullāh b. ʿAbdullāh b. ʿUmar Arsal > ʿĀʾishah Yasʾaluhā Hal Yubāshir al-a man Āmraʾatah And Hī Ḥāʾiḍ

Yahya related to me from Malik from Nafi that Ubaydullah ibn Abdullah ibn Umar sent a question to A'isha asking her, "May a man fondle his wife when she is menstruating?" She replied, "Let her wrap her waist-wrapper around her lower part and then he may fondle her if he wishes."  

مالك:٢-٩٦ – وَحَدَّثَنِي عَنْ مَالِكٍ عَنْ نَافِعٍ أَنَّ عُبَيْدَ اللَّهِ بْنَ عَبْدِ اللَّهِ بْنِ عُمَرَ أَرْسَلَ إِلَى عَائِشَةَ يَسْأَلُهَا هَلْ يُبَاشِرُ الرَّجُلُ امْرَأَتَهُ وَهِيَ حَائِضٌ

فَقَالَتْ لِتَشُدَّ إِزَارَهَا عَلَى أَسْفَلِهَا ثُمَّ يُبَاشِرُهَا إِنْ شَاءَ