It is narrated from Hazrat Abu Rafi’ (may Allah be pleased with him) that when Imam Hasan (may Allah be pleased with him) was born to Hazrat Fatimah (may Allah be pleased with her), I saw that the Holy Prophet (peace and blessings of Allah be upon him) himself gave the call to prayer (adhan) in his ear.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23869
Hadith Gradingحکم دارالسلام:إسناده ضعيف لضعف عاصم بن عبيدالله