James French a Twitter: "Vasa praevia, also spelled vasa previa, is a condition in which fetal blood vessels cross or run near the internal opening of the uterus. These vessels are at
Vasa Previa - Los Angeles Fetal Surgery
Vasa Previa - Women's Health Issues - MSD Manual Consumer Version
Placenta Previa, Its Causes, Diagnosis, and Treatment: With Three Cases, All Mothers and Two Children Saved (Classic Reprint): Wenzel, H. P.: 9780260117274: Amazon.com: Books