Pancreatic cancer is rare but extremely lethal. Pancreatic tissues display sex-hormone receptors, and both estrogen and progesterone appear to inhibit pancreatic tumor growth. These hormones are the main components of many hormonal contraceptives, taken primarily to prevent pregnancy, which leads to the possibility that birth control pills are affecting rates of pancreatic cancer in women.
Most studies suggest no links between oral contraceptives and pancreatic tumors, but one study, in particular, found a 72% increase in risk. Read more . . .