When and how should solid foods start?

Question

Accepted Answer

The World Health Organization (WHO) recommends starting complementary foods at 6 months (180 days). The American Academy of Pediatrics (AAP) allows starting between 4 and 6 months based on developmental readiness, and cites LEAP (2015) and EAT (2016) studies showing that early introduction of allergens like peanut and egg at 4–6 months reduces allergy risk. Korea follows the Ministry of Health/Korean Pediatric Society standard with 4 stages — early 4–6 mo, mid 7–8 mo, late 9–11 mo, complete 12–15 mo. Japan follows the Ministry of Health, Labour and Welfare 2019 guidance with 4 stages: gokkun (5–6 mo), mogu-mogu (7–8 mo), kami-kami (9–11 mo), paku-paku (12–18 mo). Before starting, check readiness signs (steady head control, sitting with support, interest in food, diminished tongue-thrust reflex), and start with thin purees and gradually increase texture. No honey before 12 months due to botulism risk, no whole nuts due to choking. This calculator marks the start and transition dates of the 4 stages as a reference; for preterm, developmental delay, or family allergy history, consult a pediatrician first.