Should oral contraceptive users be screened for factor V Leiden?

BMJ 1997; 315 doi: https://doi.org/10.1136/bmj.315.7099.60 (Published 05 July 1997) Cite this as: BMJ 1997;315:60

Oral contraceptives are not the only effective contraceptives

  1. Tim Ward, General practitionera
  1. a French Weir Health Centre, Taunton, Somerset TA1 1NW
  2. b Department of Clinical Epidemiology and Haemostasis and Thrombosis Research Centre, Leiden University Hospital, PO Box 9600, 2300 RD Leiden, Netherlands

    Editor—In their paper on the prospect of screening potential oral contraceptive users for the thrombogenic variant factor V Leiden, Jan P Vandenbroucke and colleagues conclude that such a strategy would “deny effective contraception to about 5% of white women while preventing only a small number of fatal pulmonary emboli.”1 Their persistent use of the term “oral contraceptives” fails to distinguish clearly between progesterone only …

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