Sunan an-Nasa'i #3308 · The Book of Marriage

Sunan an-Nasa'iIt was narrated from Umm Fadl that the Prophet of Allah was asked about breast-feeding and said
Sunan an-Nasa'i · Book 26 · The Book of Marriage
Sunan an-Nasa'i · كتاب 26 · كتاب النكاح
"Suckling (Al-Imlajah) once or twice does not make (marriage) prohibited." And (one of the narrators) Qatadah said (in his narration): "Suckling (Al-Massah) once or twice does not make (marriage) prohibited
أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ الصَّبَّاحِ بْنِ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ سَوَاءٍ، قَالَ حَدَّثَنَا سَعِيدٌ، عَنْ قَتَادَةَ، وَأَيُّوبَ، عَنْ صَالِحٍ أَبِي الْخَلِيلِ، عَنْ عَبْدِ اللَّهِ بْنِ الْحَارِثِ بْنِ نَوْفَلٍ، عَنْ أُمِّ الْفَضْلِ، أَنَّ نَبِيَّ اللَّهِ صلى الله عليه وسلم سُئِلَ عَنِ الرَّضَاعِ فَقَالَ ‏
"‏ لاَ تُحَرِّمُ الإِمْلاَجَةُ وَلاَ الإِمْلاَجَتَانِ ‏"‏ ‏.‏ وَقَالَ قَتَادَةُ ‏"‏ الْمَصَّةُ وَالْمَصَّتَانِ ‏"‏ ‏.‏
Reference : Sunan an-Nasa'i 3308In-book reference : Book 26, Hadith 113