产期 chǎnqī time of delivery Definitions Defs Origin Strokes Stroke Words Sentences Sents 预产期 yùchǎnqī due date expected date of childbirth; estimated due date for a fetus围产期 wéichǎnqī perinatal period The period of time before, during, and after childbirth; specifically from the 28th week of pregnancy to the first week after birth.