胎たい位いたいいMeanings1nounfetal presentationMedical term for the position of the fetus in the uterus before birth, such as cephalic or breech presentation.胎たい位いが正せい常じょうであれば、経けい腟ちつ分ぶん娩べんが可か能のうです。If the fetal presentation is normal, vaginal delivery is possible.