预产期 yùchǎnqī due date Origin Definitions Defs Strokes Stroke Words Sentences Sents 预 預 yù adverbverb prior (bound form) beforehand; in advance; prior (used as an adjective or adverb before a verb)产期 產期 chǎnqī noun time of delivery The time of birth or the period of labor; the period shortly before and after giving birth.