This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Bidextrous grip is seen at what age? 
Select and explain. 
A. 4 months, B. 5 months, C. 6 months, D. 7 months
A: 4 months
Answer: A: 4 months 
Explanation: Ans. A. 4 monthsFINE MOTOR MILESTONES: AgeMilestone4 monthsBidextrous reach6 monthsUnidextrous reach9 monthsImmature pincer grasp12monthsMature pincer grasp15monthsImitates scribbling, tower of 2 blocks18monthsScribbles, tower of 3 blocks2 yearsTower of 6 blocks, veical & circular stroke3 yearsTower of 9 blocks, copies circle4 yearsCopies cross, bridge with blocks5 yearsCopies triangle