Background: Placenta previa have serious consequence for maternal as well as perinatal mortality & morbidity like antepartum & intrapartum hemorrhage, preterm delivery, emergency hysterectomy as a life saving measure. Aim: To study the risk factors & determine the maternal & perinatal outcome in a patient with placenta previa. Method: This prospective observational study was conducted in the department of Obstetrics & Gynaecology of N.R.S Medical college from October 2016 to Sept 2017. Women with singleton pregnancy of 28 wks. onward with placenta previa (confirmed by ultrasonography) was included for study population. Every 5 cases flowing a case of placenta previa were taken as control. P value was calculated using student t– test or Chi–square test whichever applicable Odds ratio & confidence interval also calculated using MEDCALIC & GRAPHPAD online software. Result : 200 cases of placenta previa fulfilling inclusion criteria was taken .Mean age 23 yrs. , 84% ( 168) cases multipara,16%(32) cases primipara, 33.5%(133) post cs cases,18% (n =36 ) had h/o abortion (significant p value 0.0001), 8%(n 16) had past h/o preterm birth , 7%(n14) had past h/o placenta previa 45%(n 90) delivered at term & 55% delivered preterm, 33% (n =66) had antepartum hemorrhage ,12%(n 24) needs blood transfusion,35 (6 cases) underwent obstetric hysterectomy ( p value 0.02 ), postpartum hemorrhage 4%(n=8 ) was significantly associated with placenta previa( p value 0.01), 2 maternal death. Maximum babies (35% ) were L.B.W (<1.5 kg ) , among them 25%( 50) had 1 mint Apgar scores <7 , 6% had 5 min Apgar score < 7, 22%(n=44) required NICU admission,8%( n=16) had congenital malformation, perinatal mortality 9%( n=18) p value <0.0001. Conclusion: Placenta previa is a rare but one of the most dangerous cause of obstetrical haemorrhage. It poses danger to both mother & baby with maternal morbidity, mortality as well as adverse perinatal outcome. Early detection of risk factors & proper management can bring down the maternal & perinatal morbidity, mortality rate & achieve the standard of developing countries like India.