Infancy

嬰兒期 /婴儿期

yīng'érqī, yīng'érqí

(earliest period of childhood)

嬰兒期 /婴儿期

yīng'érqī

(state of being an infant)

幼兒期 /幼儿期

yòu'érqī, yòu'érqí

(earliest period of childhood)

未成年狀態 /未成年状态

wèichéngnián zhuàngtài

(law: state of being minor)

萌芽階段 /萌芽阶段

méngyá jiēduàn

(early state in development)

襁褓期

(earliest period of childhood)