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.
bayhaqi:1510Abū al-Ḥusayn b. Bishrān > Abū Jaʿfar al-Razzāz > al-Ḥasan b. Mukram > Abū al-Naḍr Hāshim b. al-Qāsim > al-Ḥakam b. Fuḍayl > Khālid al-Ḥadhhāʾ > ʿIkrimah > Ibn ʿAbbās

[Machine] Beware of the menstruating woman, similar to the size of a sandal.  

البيهقي:١٥١٠وَأَخْبَرَنَا أَبُو الْحُسَيْنِ بْنُ بِشْرَانَ أنبأ أَبُو جَعْفَرٍ الرَّزَّازُ ثنا الْحَسَنُ بْنُ مُكْرَمٍ ثنا أَبُو النَّضْرِ هَاشِمُ بْنُ الْقَاسِمِ ثنا الْحَكَمُ بْنُ فُضَيْلٍ عَنْ خَالِدٍ الْحَذَّاءِ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ قَالَ

اتَّقِ مِنَ الْحَائِضِ مِثْلَ مَوْضِعِ النَّعْلِ