This milestone is achieved by the age of _________: (A) 2 months, (B) 4 months, (C) 6 months, (D) 8 months
Answer is B. At 4 months Lifts head and chest, with head in an approximately veical axis. legs extended Reaches and grasps objects and brings them to mouth Enjoys sitting with full trunkal suppo When held erect pushes with feet Laughs out loud Excites at sight of food Ref : Nelson 20th edition pg:67