title: Redefining first trimester miscarriage.
authors.forename: Ishwari
authors.initials: I
authors.lastname: Casikar
authors.forename: Shannon
authors.initials: S
authors.lastname: Reid
authors.forename: James
authors.initials: J
authors.lastname: Rippey
authors.forename: George
authors.initials: G
authors.lastname: Condous
mesh_terms: D000022:Abortion, Spontaneous / Q000000981:diagnostic imaging*; D000650:Amnion / Q000000981:diagnostic imaging; D018568:Crown-Rump Length; D005260:Female; D006340:Heart Rate, Fetal; D006801:Humans; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014463:Ultrasonography