Letters

Effect of CSM's warning about safety of third generation oral contraceptives

BMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7053.363 (Published 10 August 1996) Cite this as: BMJ 1996;313:363

General practitioners in England prescribed second generation pills instead

  1. John J Ferguson,
  2. Martin G V Jenkins
  1. Medical director Deputy director of pharmaceutical services Prescription Pricing Authority, Newcastle upon Tyne NE1 6SN

    EDITOR,—On 18 October last year the Committee on Safety of Medicines issued its latest warning on the risk of thromboembolism associated with combined oral contraceptives.1 It did this after becoming aware of three studies indicating that combined oral contraceptives containing desogestrel and gestodene were likely to be associated with around a twofold increase in the risk of thromboembolism when compared with those containing other progestogens. There was insufficient evidence to know …

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