Pediatrics Which of the following haemoglobin (Hb) estimation will be diagnostically helpful in the case of beta thalassemia trait – A Hb–F B Hb1–C C Hb–A2 D Hb–H 💡 Explanation Which of the following haemoglobin (Hb) estimation will be diagnostically helpful in the case of beta thalassemia trait – ✓ Correct Answer: C. Hb–A2