Table 5. Clinical examination of personal and social milestones, detailing the expected and actual ages at which various personal and social milestones were attained.

Personal and Social Milestones	Normal	Attained Month
Social smile	1 month	1.3 years
Recognizing mother	3 months	4 months
Smiles at the mirror	6 months	2.5 years
Waves bye-bye	9 months	1.5 years
Plays a simple ball game	12 months	1 year
Knows gender	36 months	Not attained