This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'The features of uterine contraction in spastic lower segment are all except: \nSelect and explain. \nA. Presence of fundal dominance, B. There may be reversed polarity, C. Inadequate relaxation in between contractions, D. Basal tonus is usually raised above the critical level of 20 mm Hg-', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Spastic lower segment: It is a variant of hypertonic state:\n\nFundal dominance is lacking and often there is reversed polarity\nThe pacemakers do not work in rhythm\nThe lower segment contractions are stronger\nInadequate relaxation in between contractions\nBasal tone is raised above the critical level of 20 mm Hg.\n\nEffect on the fetus: Fetal distress appears early due to placental insufficiency caused by inadequate relaxation of the uterus.\nManagement: 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.', 'role': 'assistant'}]