I. Oral Contraceptives
GLOSSARY
embolism sudden blocking of an artery by a clot or foreign material which has been brought to its site of lodgement by the circulating blood. Pulmonary embolism is often caused by a clot (thrombus) that dislodges from a vein in the thigh or pelvis and shoots into a pulmonary artery.
myocardial infarction death of an area of heart muscle due to blockage of the coronary artery by blood clot and atheroma; medical term for a heart attack or coronary thrombosis.
thromboembolism formation of a blood clot and a subsequent dislodgment; the thrombus is carried in the circulating blood and obstructs an artery.

• I. ORAL CONTRACEPTIVES
  A. Risks
• BIBLIOGRAPHY
  Chasan-Taber L., and Stampfer, M. Oral contraceptives and myocardial