Ovarian vein thrombosis was recently the subject of a clinical review by the American College of OBGYN in November 2017. Ovarian vein thrombosis occurs in 1 and 600 to 1 in 2000 pregnancies and may have severe sequelae including pulmonary embolism. In this podcast, we will review the latest information from the ACOG and the ACCP on the pathophysiology, diagnosis, and treatment of ovarian vein thrombosis.