略語大辞典 [Med] 21 OLT (L) occipito-laeva transversa (胎児の)後頭左側横位. 胎位.(L) occipito-laeva transversa; or (L) OST(occiput sinister transversus); or LOT(left occipitotransverse) (position ofthe fetus); [Med]. 丸善「略語大辞典」JLogosID : 11863900