Diagnostic Accuracy of Endovaginal Scan in Detection of Retained Products of Conception after Incomplete Abortion

Abstract

Background : To determine diagnostic accuracy of Endo-vaginal Scan (EVS) in detection of retained products of conception (RPOC) in patients with incomplete abortion. Methods: In this prospective study 200 pregnant females, with gestational age 12mm on EVS was considered positive for diagnosis of RPOC which was later on confirmed with histopathology(HP) . Comparisons was then made between EVS and HP findings. Results: Mean age of selected patients was 30.8 years age ± 3.9 and mean gestational age 17.2 weeks ± 1.8 SD . Patients positive on EVS were 63.0% and patients positive on HP were 72.5%. Sensitivity, specificity, PPV, NPV and accuracy were found to be 71.7%, 60.0%, 82.5%, 44.6% and 68.5% respectively. Conclusion: Endovaginal ultrasonography allows detection of RPOC with reasonable accuracy.

Keywords

• Transvaginal ultrsonography
• Retained products of conception
• Endometrial thickness