[Use of ultrasonics in the 1st trimester of pregnancy].
D000328:Adult; D000013:Congenital Abnormalities / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011261:Pregnancy Trimester, First; D011271:Pregnancy, Ectopic / Q000175:diagnosis; D014463:Ultrasonography
L'impiego degli ultrasuoni nel primo trimestre di gravidanza