<prompt> The earliest indicator of response after starting iron in a 6yearold girl with iron deficiency isIncreased reticulocyte countIncreased hemoglobinIncreased fenitinIncreased serum iron  <response>: The reticulocyte count is the first to rise. This is followed by elevation of haemoglobin levels. body iron stores are restored after correction of haemoglobin levels.Rise in Reticulocyte count occurs by the second or third day. This is followed by elevation of haemoglobin levels.Body iron stores are repleted after correction of haemoglobin levels. - GhaiThus Rise in Reticulocyte count Rise in Haemoglobin Restoration of iron stores ferritin Time SpanWithin 1 day 24 hoursWithin 2 days 48 hoursWithin 2-3 daysUp to 2 monthsStill laterResponsible with the start of iron therapyThe child becomes less irritableAppetite improvesInitial bone marrow responseReticulocyte count increasesRestoration of haemoglobin levelsRestoration of iron stores Ferritin levels 