Fig. 1From: Could the erythrocyte indices or serum ferritin predict the therapeutic response to a trial with oral iron during pregnancy? Results from the Accuracy study for Maternal Anaemia diagnosis (AMA)Nomogram with theoretical Z-scores curves of haemoglobin (Hb) in relation to the mean curve through gestational weeks from a reference population reported by Centers for Disease Control and Prevention [19, 20]Back to article page