title: High-frequency 3D visualization of an embryo early in the first trimester (8 + 2 weeks of gestation).
mesh_terms: D005260:Female; D005318:Fetal Heart / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal / Q000379:methods