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': 'Consider the following 1. Reactive NST 2.Absence of deceleration 3.Sinusoidal pattern Which of the above findings in an antepartum CTG indicate fetal well being : \nSelect and explain. \nA. 1 and 2 only, B. 2 and 3 only, C. 1 and 3 only, D. 1, 2 and 3', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Reactive NST, i.e. acceleration with fetal movements indicates a healthy fetus.\n“Absence of deceleration in the NST is reassuring. Absence of accelerations in the NST may be a sign of fetal compromise.”\nFernando Arias 3/e, p 19\n“Sinusoidal pattern is observed with serous fetal anemia, whether from D iso immunization, ruptured vasa previa, fetomaternal haemorrhage or twin to twin transfusion.”\nWiiliams 23/e, p 420', 'role': 'assistant'}]