Evaluate the physiological significance of fetal hemoglobin's stronger oxygen affinity in the context of maternal-fetal oxygen transfer.

• A. It ensures efficient oxygen transfer from maternal to fetal blood, supporting fetal development.
• B. It allows fetal hemoglobin to compete with maternal hemoglobin for oxygen binding.
• C. It reduces the need for maternal oxygen supply during pregnancy.
• D. It prevents oxygen transfer from maternal to fetal blood, protecting the fetus from oxidative stress.

Answer: (A)