Contracted pelvis and disproportion.
D001847:Bone Diseases; D052178:Cephalopelvic Disproportion; D004420:Dystocia / Q000209:etiology*; D005260:Female; D010388:Pelvis / Q000002:abnormalities*; D011247:Pregnancy
DYSTOCIA/etiology and pathogenesis; PELVIS/abnormalities