発はつ育いく期き

noun

growth period; developmental stage

Refers to the period of physical or mental development, often used in medical, educational, or child-rearing contexts.

• 発はつ育いく期きの子こどもには十じゅう分ぶんな栄えい養ようが必ひつ要ようだ。

  Children in their growth period need adequate nutrition.