Hageman factor deficiency and oral contraceptives.

  title={Hageman factor deficiency and oral contraceptives.},
  author={Anu Mangal and Sheldon C Naiman},
  volume={1 8171},
Hageman factor, a coagulation factor (Factor 12) is reported to be deficient in users of OCs (oral contraceptives) in this letter to the editor. A 21-year-old female on OCs for 4 months was admitted with sudden onset of chest pain and shortness of breath; a lung scan confirmed bilateral pulmonary embolism. She underwent a coagulation screen, prior to… CONTINUE READING