New problems in sonar diagnosis in obstetrics and gynecology.
D000033:Abortion, Threatened / Q000175:diagnosis; D000818:Animals; D002508:Cephalometry; D002585:Cesarean Section; D002869:Chromosome Aberrations; D000013:Congenital Abnormalities / Q000209:etiology; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D000882:Haplorhini; D006651:Histocytochemistry; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis; D008452:Maximum Allowable Concentration; D009362:Neoplasm Metastasis; D010920:Placenta / Q000201:enzymology; D011183:Postoperative Complications / Q000175:diagnosis; D049590:Postpartum Period; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011272:Pregnancy, Multiple; D011866:Radioisotope Renography; D014427:Twins; D014465:Ultrasonics / Q000009:adverse effects; D014463:Ultrasonography; D014552:Urinary Tract Infections / Q000175:diagnosis