And the Prophet (peace and blessings be upon him) said: Every boy is held in pledge for his 'aqiqah, so sacrifice should be offered on his behalf on the seventh day, his name should be given on that day, and his head should be shaved.
Hadith Referenceمسند احمد / أول مسند البصريين / 20133
Hadith Gradingحکم دارالسلام:إسناده صحيح، خ: تحت حديث: 5472