A Map of the Four Stages of Solid Foods — Texture, Volume, and Ingredients at Each Step

6 min read日本語版あり
Audience
Parents of infants 4–18 months beginning or progressing through complementary feeding
Target length
~1,600 words
Status
Draft v1 (translated from Japanese v1)
Original
../155_solid_food_overview.md

Lead

When to start is settled. Now what?

Solid feeding has four stages. Parents hear the labels — early, middle, late, and transitional — but the question "why this order, and what specifically changes?" rarely gets a clear answer. Navigating by age-in-months alone leads either to advancing texture before the child is ready, or to staying with purees long past the point when progression was warranted.

This article organizes the four stages around the developmental logic that underlies them: the sequence in which oral and chewing function matures. Age ranges are rough guides. The actual decision to move forward should be based on developmental readiness cues — a principle consistent across the WHO Complementary Feeding Guidance [1], the 2017 position paper [2], and Japan's Ministry of Health, Labour and Welfare (MHLW) Breastfeeding and Weaning Support Guidelines (2019 revision, hereafter "MHLW 2019") [3].

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