<prompt> Left ovarian vein drains intoLeft renal veinInternal iliac veinInferior vena cavaAzygos vein  <response>: Ovarian veins crosses the ureter anteromedially halfway between bifurcation of the IVC and the point in which it joins the anterolateral inferior vena cava IVC. The left ovarian vein ascends similarly into the abdomen but drains into the left renal vein. ref - BDC 6e vol2 pg384 