title: [Prognostic and diagnostic value of bidimensional echography in threatened abortion].
mesh_terms: D000033:Abortion, Threatened / Q000175:diagnosis*; D000293:Adolescent; D000328:Adult; D005069:Evaluation Studies as Topic; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D008722:Methods; D008875:Middle Aged; D011247:Pregnancy; D014463:Ultrasonography
vernacular_title: Valor diagnóstico y pronóstico de la ecografía bidimensional en la amenaza de aborto