Corpus Luteum on Transvaginal Pelvic Ultrasound Endocavitary transducer (5-8 MHz); footprint inferior aspect of patient, indicator facing pt right. Cystic structure within ovarian tissue most likely corpus luteum. Ovarian ectopic is rare. Dr. Meghan Herbst @EUSmkh #Corpus #Luteum #Transvaginal #Pelvic #Ultrasound #POCUS #clinical #gynecology #OBGYN #anatomy #labeled