You are examining a multigravida in the second stage of labor for the past two hours. On examination, contractions are adequate, the cervix is dilated with the head at station 0 with molding 2+ and caput 2+. The sagittal suture is in the right occipitotransverse position. The fetal heart rate is 140 beats / minute. Which of the following is carried out for the management of this patient?