Retained Products of Conception (RPOC) on Transabdominal Pelvic Ultrasound Which of the following explains this patient's post-partum vaginal bleeding? Resolution: RPOC (retained products of conception), often appearing as heterogenous material +/- calcifications within the endometrium. Suspect if the endometrial stripe measures >10mm in the appropriate setting. #Retained #Products #RPOC #Transabdominal #Pelvic #Ultrasound #OBGyn #clinical