Design a concise multisector public health campaign strategy to reduce stunting prevalence in a region where 23% of children under five are stunted. Which combination of components is most justified by evidence and physiology?

• A. Implement a mandatory late childhood catch‑up growth program requiring children aged 10–12 to consume protein supplements, relying on growth spurts in adolescence to fully reverse stunting effects from early life.
• B. Prioritize building sports facilities and school playgrounds to stimulate physical activity in children aged 6–18 years since increasing activity in later childhood reverses early life stunting and improves adult height outcomes.
• C. Integrated package including prenatal and early childhood nutrition supplementation, promotion of exclusive breastfeeding, maternal education programs targeted at girls and women, water, sanitation and hygiene (WASH) improvements to reduce infections, and growth monitoring with targeted supplementation for at‑risk children.
• D. Solely supply high calorie food baskets to households with children under five because increasing caloric intake alone overcomes both infection and micronutrient deficits that cause stunting.

Answer: (C)