WPW syndrome is a type of ventricular pre-excitation with the presence of accessory pathway which connects atria and ventricle.It is characterized by delta wave,wide QRS, short PR interval.It was described for the first time by Louis Wolff,Sir John Parkinson and Paul Dudley white in 1930.The most common arrhythmia seen in pregnancy is paroxysmal supraventricular tachycardia and WPW syndrome accounts for majority of this with incidence of 1.2per 1000 people. We are presenting a case of 30yr old G2P1L1 with 39wks of POG with prev LSCS with hypothyroidism with history of WPW SYNDROME diagnosed 2 years ago and treated with Electrophysiological study and radiofrequency ablation. Patient presented to us with regular antenatal checkups and was followed upto term and she was asymptomatic (post radio frequency ablation status) throughout the pregnancy, cardiology opinion and pre anaesthetic evaluation done. The mother delivered by LSCS under Spinal anesthesia. Both mother and baby were stable and healthy. She was asymptomatic in her postpartum period and discharged on post natal day 7.