Sunan Ibn Majah 1941
سنن ابن ماجه#1941Sahihحَدَّثَنَا مُحَمَّدُ بْنُ خَالِدِ بْنِ خِدَاشٍ، حَدَّثَنَا ابْنُ عُلَيَّةَ، عَنْ أَيُّوبَ، عَنِ ابْنِ أَبِي مُلَيْكَةَ، عَنْ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، عَنْ عَائِشَةَ، عَنِ النَّبِيِّ ـ صلى الله عليه وسلم ـ قَالَ " لاَ تُحَرِّمُ الْمَصَّةُ وَالْمَصَّتَانِ " .
It was narrated from 'Aishah:that the Prophet Allah said: “Suckling once or twice does not make (marriage) unlawful.”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 9:97