title: Short answer question case series: complex first-trimester bleeding.
authors: Department of Emergency Medicine, David Geffen School of Medicine UCLA, Harbor-UCLA Medical Center, Torrance, CA 90509, USA.
authors: Alisa K
authors: AK
authors: Sato
authors: Timothy B
authors: TB
authors: Jang
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000000981:diagnostic imaging* / Q000601:surgery; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal; D055815:Young Adult