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:5228Abū Saʿīd > Abū al-ʿAbbās > al-Rabīʿ > al-Shāfiʿī And ʾIdhā Lam Tufsid al-Marʾah > al-Muṣallī > Takūn Bayn Yadayh Fahī Idhā Kānat > Yamīnih or > Yasārih Aḥrá

[Machine] That you do not spoil it for him.  

البيهقي:٥٢٢٨أَخْبَرَنَا أَبُو سَعِيدٍ ثنا أَبُو الْعَبَّاسِ أنبأ الرَّبِيعُ قَالَ قَالَ الشَّافِعِيُّ وَإِذَا لَمْ تُفْسِدِ الْمَرْأَةُ عَلَى الْمُصَلِّي أَنْ تَكُونَ بَيْنَ يَدَيْهِ فَهِيَ إِذَا كَانَتْ عَنْ يَمِينِهِ أَوْ عَنْ يَسَارِهِ أَحْرَى

أَنْ لَا تُفْسِدَ عَلَيْهِ