## Correct Answer: B. 60 mg elemental iron + 500 µg folic acid The Weekly Iron and Folic Acid Supplementation (WIFS) scheme is a national public health intervention in India targeting adolescent anemia, which affects 55–60% of school-age children. For children aged 10–19 years, the Government of India's WIFS protocol mandates **60 mg elemental iron + 500 µg folic acid** per tablet, administered once weekly (typically on a fixed day). This dosing is based on the WHO recommendation for weekly supplementation in non-pregnant adolescents. The 60 mg elemental iron dose (usually as ferrous salt) is sufficient to replenish iron stores over 52 weeks when given weekly, avoiding the GI side effects of daily high-dose iron while maintaining compliance. The 500 µg folic acid component is critical because it addresses the dual burden of iron and folate deficiency prevalent in Indian adolescents, particularly girls approaching reproductive age. This combination has been validated in Indian trials and is the standard formulation under the National Health Mission guidelines. The scheme emphasizes weekly rather than daily dosing to improve adherence in school settings. ## Why the other options are wrong **A. 60 mg elemental iron + 100 µg folic acid** — While the iron dose is correct, the folic acid component is grossly inadequate. 100 µg folic acid is insufficient to address the high prevalence of folate deficiency in Indian adolescents, especially girls of reproductive age. This dose reflects older or non-Indian protocols and does not meet the WHO/Indian guidelines for WIFS in this age group. **C. 100 mg elemental iron + 100 µg folic acid** — Both components are incorrect for the 10–19 age group. 100 mg elemental iron is excessive for weekly supplementation in adolescents and would increase GI side effects and reduce compliance—this dose is reserved for therapeutic (daily) iron supplementation in severe anemia or pregnancy. The folic acid is also suboptimal. **D. 100 mg elemental iron + 500 µg folic acid** — The folic acid dose is correct, but 100 mg elemental iron is too high for the weekly WIFS scheme in adolescents aged 10–19. This combination reflects a therapeutic rather than preventive approach and would cause unacceptable GI side effects (nausea, constipation), leading to poor adherence in school-based programs. ## High-Yield Facts - **WIFS scheme for ages 10–19 years: 60 mg elemental iron + 500 µg folic acid weekly** — standard Indian national protocol under NHM. - **Weekly dosing (not daily)** in WIFS improves compliance in school settings and reduces GI side effects compared to daily supplementation. - **500 µg folic acid** addresses the dual burden of iron and folate deficiency in Indian adolescents, particularly girls approaching reproductive age. - **Anemia prevalence in Indian school children: 55–60%** — WIFS targets this high burden in the 10–19 age group. - **Elemental iron vs. salt form:** 60 mg elemental iron is typically delivered as 300 mg ferrous sulfate or equivalent salt formulation. ## Mnemonics **WIFS Adolescent Dose (10–19 years)** **60-500 Rule**: 60 mg iron + 500 µg folic acid weekly. Remember: 60 is less than 100 (because it's weekly, not daily), and 500 is the higher folic acid dose (for reproductive-age girls). **Why Weekly, Not Daily?** **SWAG**: School-based, Weekly, Adherence-friendly, Good compliance. Weekly dosing avoids daily pill burden and GI side effects in adolescents. ## NBE Trap NBE may pair high iron doses (100 mg) with the correct folic acid (500 µg) to trap students who remember the folic acid component but confuse adolescent preventive dosing with therapeutic or pregnant-woman dosing. The trap exploits the assumption that "more iron = better coverage." ## Clinical Pearl In Indian school health programs, WIFS tablets are distributed on a fixed day (often Monday) to maximize compliance and allow teachers to supervise intake. The 500 µg folic acid is particularly important for girls approaching menarche, as it reduces the risk of neural tube defects in future pregnancies—a key public health goal in India's reproductive health agenda. _Reference: Park's Textbook of Preventive and Social Medicine (K. Park), Ch. Nutrition and Health; National Health Mission Guidelines on WIFS; WHO Guideline on Weekly Iron and Folic Acid Supplementation in Non-Pregnant Women and Adolescent Girls._
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