Development examination should be fuher evaluated in child of 12 weeks if he ?
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 90deg
Ans. is 'a' i.e., Does not vocalize o Vocalization develops by 4 weeks. o Babbling develops by 7 months o A child transfer the objects from one hand to another by 5-7 months. o A child can hold head at 90deg (above horizontal plane in ventral suspension) by 3 months --> Neck holding develops by 3 months.