Pediatrics Affinity of fetal Hemoglobin to oxygen is more than adult hemoglobin due to: A 2, 3 BPG in blood B Decreased pH C Increased pCO2 D Right shift 💡 Explanation Affinity of fetal Hemoglobin to oxygen is more than adult hemoglobin due to: ✓ Correct Answer: A. 2, 3 BPG in blood