Different rates of prolonged first-stage labor in primiparas at two hospitals.
Thomson
M
M
D005260:Female; D006764:Hospitals, Community; D006782:Hospitals, Special; D006801:Humans; D007747:Labor Stage, First / Q000502:physiology*; D007743:Labor, Obstetric / Q000502:physiology*; D007744:Obstetric Labor Complications / Q000503:physiopathology*; D011247:Pregnancy; D011792:Quebec; D013997:Time Factors