661.4 Hypertonic, incoordinate, or prolonged uterine contractions
[0,1,3]
Cervical spasm
Contraction ring (dystocia)
Dyscoordinate labor
Hourglass contraction of uterus
Hypertonic uterine dysfunction
Incoordinate uterine action
Retraction ring (Bandl's) (pathological)
Tetanic contractions
Uterine dystocia NOS
Uterine spasm