Which statement best describes the maximum size of the cerebellum during fetal development?

• A. There is a fixed maximum size at each gestational age.
• B. There is no fixed maximum; size varies with gestational age.
• C. It stops growing after the second trimester.
• D. It should be smaller than the cerebrum.

Answer: (B)

During fetal development, the cerebellum enlarges as the brain grows, and there isn’t a fixed upper limit at any particular gestational age. Growth follows gestational-age–specific norms, so size is interpreted against established reference ranges that change as pregnancy progresses. The cerebellum also continues to grow after birth, so its maximum size isn’t reached in utero. Therefore, there is no fixed maximum size; size varies with gestational age.