title: [Study of placental ultrasonics in relation to various parameters of pregnancy and labor].
mesh_terms: D001034:Apgar Score; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D007744:Obstetric Labor Complications / Q000175:diagnosis*; D010922:Placenta Diseases / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography
vernacular_title: Estudio de la ecorrefringencia placentaria en relación con algunos parámetros del embarazo y parto