´Narrated 'Amr bin Shu'aib:` from his father, from his grandfather that the Prophet (ﷺ) ordered naming the child on the seventh day, removing the harm from him, and Al-'Aqq (removing the hair and slaughtering the animal for 'Aqiqah).
Hadith ReferenceSunan at-Tirmidhi / Chapters on Manners / Hadith: 2832