Objective: The objective of the study was to compare the effects of two different combined
oral contraceptives on levels of plasma lipoproteins and coagulation factor VII. Study …

Longitudinal and cross-sectional blood coagulation studies were made in patients receiving
oral contraceptive therapy and in unmedicated women used as control subjects. These …

To assess possible differences in the incidence of venous thrombosis and pulmonary
embolism associated with oral contraceptives of varying hormonal potencies, the authors …

The use of oral contraceptives is associated with altered plasma concentrations of many
components of the coagulation and fibrinolysis system, increased plasma levels of markers …

Based on epidemiologic data, women who take oral contraceptives seem to have an
increased risk of developing thromboembolic disease. In order to explain this association …

There is now compelling evidence that use of oral contraceptives and postmenopausal
hormonal therapies containing various estrogens is associated with a weak, but clinically …

Hundreds of millions of women worldwide use either oral contraceptives or postmenopausal
hormone replacement. The use of oral contraceptives leads to an increased risk of venous …

Oral contraceptives (OCs) are, or perhaps more correctly, were, until recently, being taken by
approximately 65 million women worldwide, which corresponds to approximately 6% of all …

The effects of oral contraceptives on coagulation in 258 nonsmoking and in 190 smoking
women were determined. In smokers and in nonsmokers taking oral contraceptives …

Three large British studies on the vascular effects of oral contraceptives have established
that the risk of thrornboembolic episodes, both venous and arterial, rises with increasing …