<prompt> Which of the following is true regarding early deceleration in a CTG cardiotocography?It is due to increased vagal tone in the foetusIt is due to foetal hypoxiaIt is due to raised BP in the motherIt is due to cord compression  <response>: Early deceleration coincides with the uterine contraction and is a result of increase in vagal tone since the foetal intracranial pressure rises with uterine contraction. Ref: Oxford Handbook of Clinical Specialities, 8th Editio, Page 45. 