The Book of Marriage
26/51. Chapter:
The Amount Of Breast-feeding That Makes Marriage Prohibited
Sunan an-Nasai
أَخْبَرَنَا زِيَادُ بْنُ أَيُّوبَ، قَالَ حَدَّثَنَا ابْنُ عُلَيَّةَ، عَنْ أَيُّوبَ، عَنِ ابْنِ أَبِي مُلَيْكَةَ، عَنْ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، عَنْ عَائِشَةَ، قَالَتْ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ تُحَرِّمُ الْمَصَّةُ وَالْمَصَّتَانِ " .
It was narrated that 'Aishah said: "The Messenger of Allah said: 'Suckling once or twice does not make (marriage) prohibited.'"
Reference : Sunan an-Nasa'i 3310In-book reference : Book 26, Hadith 115English translation : Vol. 4, Book 26, Hadith 3312