Routine antepartum roentgen pelvimetry in primigravidas.
D005260:Female; D020073:Gravidity; D006801:Humans; D007743:Labor, Obstetric; D010387:Pelvimetry / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011859:Radiography; D014937:Work
LABOR; PELVIMETRY/radiography