Developmental Red Flags in a 6-Month Old

A six-month, two-week-old infant who was born at 40.5 weeks gestation after an uneventful pregnancy is brought in for a well child visit. His parents mentioned, “his older sister was a really different baby. I think he's not quite where she was in his development at this age.” Which of the following would not be a red flag requiring further evaluation? A. Inability to roll in either direction B. Unable to transfer objects hand to hand C. Reaches for objects with one hand D. Ability to s...