Breech presentation as an indicator of fetal abnormality.
D001946:Breech Presentation; D000013:Congenital Abnormalities / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000453:epidemiology; D006801:Humans; D007746:Labor Presentation; D011247:Pregnancy