Development examination should be further evaluated in child of 12 weeks if he –
Vocalization develops by 4 weeks.
Babbling develops by 7 months
A child transfer the objects from one hand to another by 5-7 months.
A child can hold head at 90° (above horizontal plane in ventral suspension) by 3 months → Neck holding develops by 3 months.
Does not vocalize
Does not babble
Does not change bright red ring from one hand to other even if given in hand
Does not hold head at 90°