Frequency of Placenta Previa in scarred and unscarred uterus

Noreen Kanwel, Bushra Ghafoor, M.Miqdad Qadir


Objective: to determine the frequency of placenta previa in scarred and unscarred uterus. Methodology: This cross sectional study was started in the department of Gynaecology, Nishtar hospital, Multan, from June 2016 to November 2016. Data was entered in a computer software SPSS version 23. Quantitative variable like age, gestational age and gravidity was calculated as mean ± SD and qualitative variables like gender degrees of previa and placenta previa in scared and non scared uterus was presented as a frequency and percentages. Chi-square test was used for data analysis. Post stratification chi square test was applied to see the effect of confounders. A p value ≤ 0.05 was considered as significant. Results: Overall there were 100% (n=330) females were included in this study. The mean age, gestational age and gravidity of the patients was 25.58±4.18 years, 29.85±2.78 weeks and 3.58±1.55 respectively. Placenta previa in scarred uterus and non-scarred uterus was observed as 70.6% (n=233) and 29.4% (n=97) respectively. Degrees of previa was observed as 80.3% (n=265) major degree and 19.7% (n=65) minor degree. Distribution of placenta Previa according to previous caesarean sections was done which showed that out of 100% (n=330) cases of placenta Previa, 23.3% (n=77) had history of previous one LSCS, 33.9% (n=112) had two LSCS, 37% (n=122) had three LSCS and 5.8% (n=19) had four LSCS. Conclusion: Frequency of placenta previa is higher in scared uterus in our region than non scared uterus.

Keywords: Placenta previa, scares, unscarred uterus, Cesarean section.

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