<prompt> The features of uterine contraction in spastic lower segment are all except:Presence of fundal dominanceThere may be reversed polarityInadequate relaxation in between contractionsBasal tonus is usually raised above the critical level of 20 mm Hg-  <response>: Spastic lower segment: It is a variant of hypertonic state:Fundal dominance is lacking and often there is reversed polarityThe pacemakers do not work in rhythmThe lower segment contractions are strongerInadequate relaxation in between contractionsBasal tone is raised above the critical level of 20 mm Hg.Effect on the fetus: Fetal distress appears early due to placental insufficiency caused by inadequate relaxation of the uterus.Management: There is no place of oxytocin augmentation with this abnormality. Cesarean section is done in majority of cases. Adequate pain relief or sedation is helfpul. 