Pediatrics The earliest indicator of response after starting iron in a 6–year–old girl with iron deficiency is – A Increased reticulocyte count B Increased hemoglobin C Increased fen–itin D Increased serum iron 💡 Explanation The earliest indicator of response after starting iron in a 6–year–old girl with iron deficiency is – ✓ Correct Answer: A. Increased reticulocyte count