1. Chronic Anticoagulant use (Warfarin)
  2. Congenital Heart Disease for which pregnancy is very high risk of complication
    1. Eisenmenger's Syndrome
    2. Primary Pulmonary Hypertension
    3. Cardiomyopathy
    4. Congestive Heart Failure
    5. Marfan's Syndrome
  • Management
  1. Avoid Oral Contraceptives due to thrombosis risk
  2. Intrauterine Device (Copper-T IUD or Mirena)
  3. Consider Depo Provera