A recent study61 examined C-reactive protein (CRP) level, IL-6, and intercellular adhesion molecule 1 in the plasma of patients with a history of hypertensive disorder of pregnancy, 17 years post-pregnancy, on average, and showed increased IL-6 level (by 34.4%) and CRP level (by 11.6%) as compared with controls. This evidence concerns the gene IL6 and hypertensive disorder.