Social & Preventive Medicine The impact and efficiency of an iodine control program can be determined by: A Urinary iodine levels in pregnant women B Neonatal thyroxine levels C Goiter in pregnant women D Goiter in children of age 12 to 18 💡 Explanation The impact and efficiency of an iodine control program can be determined by: ✓ Correct Answer: B. Neonatal thyroxine levels