Frequency of placenta previa in unscarred uterus at Nishtar Hospital,Multan

Aim: to find out frequency of placenta previa in unscarred uterus at nishtar hospital multan. methods: this cross sectional was carried out in the outpatient department of obstetrics & gynaecology and labour ward,nishtar hospital,multan from september 2011 to february 2012. a total of 335 patients were included in the study. results: majority of the patients were recorded between 30-35 years of age i.e.,43.58%(n=146),32.24% (n=108) were between 36-40 years and 24.18% (n=81) were between 41-45 years,mean and s.d. was 36.92±2.15,65.37% (n=219) were between 37-40 weeks,21.79% (n=73) between 41-42 weeks and 12.84% (n=43) between 32-36 weeks of gestation,37.91% (n=127) with >4 paras,34.02% (n=114) were between 3-4 paras while only 28.06% (n=94) were between 1-2 paras,1.19%(n=4) were recorded with placenta previa,stratification of effect modifiers like age,gestational age,and parity for placenta previa was done which shows 25% (n=1/4) were between 30-35 years,25% (n=1/4) between 36-40,50% (n=2/4) between 41-45 years of age; gestational age shows 25% (n=1/4) between 32-36 weeks of gestation,75% (n=3/4) between 37-40 weeks while no patients between 41-42 weeks,while no patients was recorded with 1-2 para,and 50% (n=2/4) were recorded between 3-4 and >4 paras respectively. conclusion: the frequency of placenta previa in unscarred uterus at nishtar hospital multan is slightly higher than other studies and this problem may be estimated for further planning and management of placenta previa.