Sonographic patterns of retained products of conception among women attending Murtala Muhammed Specialist Hospital Kano, Nigeria

Retain products of conception (RPOC) remains a major concern because its complications are among the leading cause of morbidity and mortality among women with postpartum uterus. Every locality should have a documented findings of postpartum uterus predicting retained products of conception. This study was aimed at evaluating the sonographic pattern of RPOC among women attending Murtala Muhammad Specialist Hospital, Kano. The study was prospective, conducted from January 2021 to August 2021. A total of 200 patients referred on the suspicion of RPOC on the basis of history or clinical examination were enrolled in the study. Transabdominal ultrasound with 3.5MHtz transducer was performed in all referred cases. The findings obtained were recorded on data capture sheet. Data was analyzed using SPSS Version 23.0. Mean age of the patients was 21.7 ±6.7 years and the mean gestational age was 11.7 ±4.8 weeks. Most of the patients present with per vaginal bleeding, lower back pain or fever as their clinical history. Sonographic findings of RPOC were mix-echogenic content 106(53%), hypoechoic fluid collection 52(26%) and hyperechoic mass 42 (21%). The correlation between clinical history and sonographic pattern of RPOC shows a significant weak positive correlation (r= 0.15 and p= 0.03). The correlation between RPOC size and gestational age also shows a significant weak positive correlation (r= 0.27 and p= 0.00). Sonography is an accurate tool for diagnosis of retained products of conception, with mixed echogenic content as the most common sonographic pattern RPOC