Why the study?
Do oral contraceptives increase the incidence of superficial and deep-vein thromboembolic disease in women of childbearing age?
Population
Over 80,000 women of childbearing age
Comparison
Oral contraceptives vs General population (normal incidence)
Design
Review
Follow-up
more than 1,000,000 cycles
Authors
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Supports no increased thromboembolic risk with oral contraceptives; leaves open need for contemporary randomized confirmation.
Do oral contraceptives increase the incidence of superficial and deep-vein thromboembolic disease in women of childbearing age?
This review concludes that oral contraceptive use does not increase the risk of superficial and deep-vein thromboembolic disease in women of childbearing age.
Victor A. Drill (1972) studied this question.
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