産さん児じさんじMeanings1nounnewborn baby; childbirthRefers to a newborn infant or the act of giving birth. Often used in formal or medical contexts.産さん児じの体たい重じゅうは標ひょう準じゅん的てきでした。The newborn baby's weight was average.産さん児じ制せい限げんについて議ぎ論ろんが行おこなわれた。There was a discussion about birth control.