Pediatrics All of the following are considered development delay except: A Pincer grasp not at 9 months B Not able to sit at 9 months C Not able to go up and down stairs at 2.5 years of age D 2 words phrase at 18 months of age 💡 Explanation All of the following are considered development delay except: ✓ Correct Answer: D. 2 words phrase at 18 months of age