Persistent rigidity of uterine cervix during labor: an 11-year study.
D000328:Adult; D002584:Cervix Uteri / Q000503:physiopathology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy; D011248:Pregnancy Complications; D012189:Retrospective Studies; D014593:Uterine Inertia / Q000628:therapy*