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- Title
Population-based study of risk of venous thromboembolism associated with various oral contraceptives.
- Authors
Farmer, R D; Lawrenson, R A; Thompson, C R; Kennedy, J G; Hambleton, I R
- Abstract
Four studies published since December, 1995, reported that the incidence of venous thromboembolism (VTE) was higher in women who used oral contraceptives (OCs) containing the third-generation progestagens gestodene or desogestrel than in users of OCs containing second-generation progestagens. However, confounding and bias in the design of these studies may have affected the findings. The aim of our study was to re-examine the association between risk of VTE and OC use with a different study design and analysis to avoid some of the bias and confounding of the earlier studies.
- Publication
Lancet (London, England), 1997, Vol 349, Issue 9045, p83
- ISSN
0140-6736
- Publication type
Journal Article
- DOI
10.1016/s0140-6736(96)07496-x