Contractions uterine increased | Hypertonic uterine contraction | Hypertonic, incoordinate, or prolonged uterine contractions | Hypertonic, incoordinate, or prolonged uterine contractions, antepartum | Hypertonic, incoordinate, or prolonged uterine contractions, unspecified as to episode of care | Hypertonic, incoordinate, or prolonged uterine contractions, with delivery | Uterine contraction strong excessively | Uterine hypertonus |