title: The psychological effect of a sonar examination on parents-to-be.
mesh_terms: D005220:Fathers / Q000523:psychology; D005260:Female; D005333:Fetus; D006801:Humans; D008297:Male; D009035:Mothers / Q000523:psychology*; D009769:Object Attachment; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography