Abnormalities of forces of labor
Notes: Failure of cervical dilatation ; Primary hypotonic uterine dysfunction ; Uterine inertia during latent phase of labor ; Arrested active phase of labor ; Secondary hypotonic uterine dysfunction ; Atony of uterus without hemorrhage ; Atony of uterus NOS ; Desultory labor ; Hypotonic uterine dysfunction NOS ; Irregular labor ; Poor contractions ; Slow slope active phase of labor ; Uterine inertia NOS ; Cervical spasm ; Contraction ring dystocia ; Dyscoordinate labor ; Hour-glass contraction of uterus ; Hypertonic uterine dysfunction ; Incoordinate uterine action ; Tetanic contractions ; Uterine dystocia NOS ; Uterine spasm ; atony of uterus with hemorrhage (postpartum) (O72.1) ; postpartum atony of uterus without hemorrhage (O75.89) ; dystocia (fetal) (maternal) NOS (O66.9)