title: [Early prenatal diagnosis (1)].
mesh_terms: D000649:Amniocentesis / Q000009:adverse effects; D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011296:Prenatal Diagnosis / Q000379:methods*; D014465:Ultrasonics / Q000009:adverse effects; D014463:Ultrasonography
vernacular_title: Diagnóstico prenatal precoz (primera parte).