Role of transvaginal sonography in the study of migration of low-lying placenta from second trimester to end of third trimester
Journal Title: Medpulse International Journal of Gynaecology - Year 2019, Vol 9, Issue 1
Abstract
Objective: To study the migration of low lying placenta, diagnosed in the 2nd trimester by Transvaginal sonography. Methods: The study was conducted in Department of Obstetrics and gynaecology JLNMCH Bhagalpur between Jan 2018- Dec 2018. A total of 200 cases were studied, out of which 15 cases had low lying placenta, i.e. 7.5% in which the distance between centre of internal os to the leading edge of placenta was < 3 cm. Results: Study showed that 7.5% cases, i.e. 15 cases had low lying placenta out of which 67% migrated to upper segment by third trimester. In 5 cases out of 200 i.e. 2.5% cases it remained at its own place and continued as placenta praevia. The rate of migration of placenta was less in case of prior caesarean section or DandC and MROP (Manual removal of placenta). Migration of placenta was not seen when the initial distance was < 1.5 cm. Conclusion: The prevalence of low lying placenta was 7.5% in mid trimester which decreases to 2.5% at term. The rate of placental migration was 76%. Factors like initial distance between the lower edge of placenta and internal os, placental position and previous birth by caesarean section influenced placental migration.
Authors and Affiliations
Geeta Rani, Sachin Kuimar Singh, Usha Kumari, Anupama Sinha
Keywords
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