صحیح ابن حبان
Ibn Hibban
كتاب الرضاع
Book of Breastfeeding
ذكر البيان بأن القصد في الأخبار التي ذكرناها قبل ليس أن ما وراء الرضعتين يحرم بل خطاب هذه الأخبار خرج على سؤال بعينه جوابا عنه-
Clarifying that the narrations refer to a specific question, not a general rule beyond two feedings
1 hadith
Hadith 4229
Sayyida Umm Fadl (may Allah be pleased with her) narrates: A man came to the service of the Prophet (peace be upon him) and said: O Messenger of Allah (peace be upon him)! I have married a woman, and I already had a wife before. My first wife says that she has breastfed my new wife once or twice. The Prophet (peace be upon him) said: One or two sips do not establish prohibition.