وعن أم سلمة رضي الله عنها قالت : قال رسول الله صلى الله عليه وآله وسلم : « لا يحرم من الرضاع إلا ما فتق الأمعاء وكان قبل الفطام ». رواه الترمذي وصححه هو والحاكم.
Narrated Umm Salamah (RA): Allah's Messenger (ﷺ) said: "The suckling that makes marriage unlawful is that which reaches the intestines (i.e. nourishes the child), and is taken before (two years) time of weaning." [Reported by at-Tirmidhi, he and al-Hakim graded it Sahih (authentic)].
Related hadith on this topic
Explanation & Benefits
Shaykh Dr. Abdur Rahman Freywai
Commentary:
Explanation: ➊
That is, it should reach the intestines and perform the function of nourishment.
➋
That is, when the child is less than two years old.
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 1152