Posterior urethral valves, 15 weeks Fabrice Cuillier, MD Article Published: Dec 3, 2004 Dept of Obstetrics and Gynecology, Hôpital Félix Guyon, rue des Topazes, 97400 Saint-Denis, Reunion Island, France. Ph : 0262 90 55 22. This is a case of posterior urethral valves discovered at 15 weeks of gestation. The two kidneys showing pelvi-calyceal dilatation: Discussion Board Start a discussion about this article Add bookmark Bookmarked