Hadith 511840
Chapter 29: Divorce - كتاب الطلاق
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، أَنَّهُ قَالَ أَيُّمَا رَجُلٍ تَزَوَّجَ امْرَأَةً وَبِهِ جُنُونٌ أَوْ ضَرَرٌ فَإِنَّهَا تُخَيَّرُ فَإِنْ شَاءَتْ قَرَّتْ وَإِنْ شَاءَتْ فَارَقَتْ . قَالَ مَالِكٌ فِي الأَمَةِ تَكُونُ تَحْتَ الْعَبْدِ ثُمَّ تَعْتِقُ قَبْلَ أَنْ يَدْخُلَ بِهَا أَوْ يَمَسَّهَا إِنَّهَا إِنِ اخْتَارَتْ نَفْسَهَا فَلاَ صَدَاقَ لَهَا وَهِيَ تَطْلِيقَةٌ وَذَلِكَ الأَمْرُ عِنْدَنَا .
Yahya related to me from Malik that he had heard that Said ibn al-Musayyab said that if a man married a woman, and he was insane or had a physical defect, she had the right of choice. If she wished she could stay, and if she wished she could separate from him.
Reference Muwatta Malik 511840
USC-MSA web (English) reference : Book 29, Hadith 28