At last, compression from the right frequent iliac artery around the remaining typical iliac vein versus the spine and pelvic brim is thought to bring about iliofemoral deep venous thrombosis (Could–Thurner syndrome) along with the pelvic varices of PCS. This will likely weaken the vein wall leading to dilatation. Estrogen https://sgvasculargrp.com/medical-condition/pelvic-congestion-syndrome/