Aims and Objective: Explain association and outcome of Posterior Reversible Encephalopathy Syndrome in Pregnancy. Method: This is a Retrospective Study based on obstetric patients visited at Civil Hospital, Ahmedabad, Gujarat, India withconvulsion and/or alteration of sensations in the period of 2 YEARS from July 2013 to July 2015. These patients diagnosed as Posterior Reversible Encephalopathy Syndrome with help of MRI Brain. Details of these patients like history, examination and investigation findings recorded and final data analysis done. Results: All patients with Posterior Reversible Encephalopathy Syndrome had convulsions and alteration of sensations. Development of Posterior Reversible Encephalopathy Syndrome is more common in primigravida, antenatal patients with average age of 21 year. There is increased rate of preterm delivery and Neonatal ICU admissions in neonates which increases morbidity and mortality of babies. Conclusion: Posterior Reversible Encephalopathy Syndrome develops more commonly in Primigravida Antenatal patients during Third decade of their life. In Posterior Reversible Encephalopathy Syndrome there are increased incidences of unconsciousness, Caesarean delivery, Intensive Care Unit admissions (peripartum morbidity), preterm babies (Neonatal ICU admission) and perinatal mortality. Though Posterior Reversible Encephalopathy Syndrome increases maternal morbidity, no maternal mortality seen.