胎たい嚢のうたいのうじ字FuriganaMeanings1noungestational sac; fetal sacMedical term used in obstetrics and gynecology to refer to the sac containing the embryo/fetus during early pregnancy.超ちょう音おん波ぱ検けん査さで胎たい嚢のうが確かく認にんされた。A gestational sac was confirmed on ultrasound.
