title: Is the third trimester repeat ultrasound scan for placental localisation needed if the placenta is low lying but clear of the os at the mid-trimester morphology scan?
authors.affiliation: Center for Maternal Fetal Medicine, Mater Health Services, Brisbane. joseph.thomas@mater.org.au.
authors.forename: Joseph
authors.initials: J
authors.lastname: Thomas
authors.affiliation: Center for Maternal Fetal Medicine, Mater Health Services, Brisbane.
authors.forename: Shveta
authors.initials: S
authors.lastname: Kapoor
authors.affiliation: Center for Maternal Fetal Medicine, Mater Health Services, Brisbane.
authors.forename: Scott
authors.initials: S
authors.lastname: Petersen
authors.affiliation: Center for Maternal Fetal Medicine, Mater Health Services, Brisbane.
authors.forename: Glenn
authors.initials: G
authors.lastname: Gardener
mesh_terms: D005260:Female; D006801:Humans; D010920:Placenta / Q000033:anatomy & histology*; D010923:Placenta Previa; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D016216:Ultrasonography, Prenatal