## WHO Recommendation for Complementary Feeding Initiation **Key Point:** The WHO recommends exclusive breastfeeding for the first 6 months of life, after which complementary foods should be introduced while continuing breastfeeding. ### Rationale for 6-Month Timing 1. **Developmental Readiness** - Extrusion reflex (tongue-thrust) disappears around 6 months - Infant can sit upright with minimal support - Demonstrates interest in food and ability to grasp objects 2. **Nutritional Adequacy** - Breast milk alone becomes insufficient to meet iron and zinc requirements after 6 months - Complementary foods bridge the nutritional gap 3. **Gastrointestinal Maturity** - Intestinal barrier function and enzyme systems mature by 6 months - Reduced risk of infections and allergic sensitization **High-Yield:** This is a frequently tested guideline in NEET PG. The 6-month mark is the international standard endorsed by WHO, UNICEF, and most national pediatric bodies including IAP (Indian Academy of Pediatrics). **Clinical Pearl:** Early introduction (before 4 months) increases infection risk; delayed introduction (after 8 months) may lead to inadequate nutrient intake and increased choking risk due to delayed exposure to textured foods. [cite:Park 26e Ch 8]
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