Uterine arteriovenous malformation (AVM) is an uncommon but potentially life-threatening cause of postpartum hemorrhage (PPH). AVMs often present with intermittent or profuse vaginal bleeding in a woman with a history of uterine instrumentation. Transvaginal ultrasound is the initial imaging method used for diagnosis. https://www.littletreehouselanes.shop/product-category/change-mat/