Letters

NSAIDs during pregnancy and risk of miscarriage

BMJ 2004; 328 doi: http://dx.doi.org/10.1136/bmj.328.7431.108-a (Published 09 January 2004) Cite this as: BMJ 2004;328:108

True risks or only suspicions?

  1. Benedetta Schiavetti, research fellow ([email protected]),
  2. Antonio Clavenna, senior research fellow,
  3. Rita Campi, statistician,
  4. Maurizio Bonati, head
  1. Laboratory for Mother and Child Health and CRIF-Regional Drug Information Centre Mario Negri Institute for Pharmacological Research, I-20157 Milan, Italy

    EDITOR—The finding of Li et al of an association between an increased risk of miscarriage and use of non-steroidal anti-inflammatory drugs (NSAIDs) relies on biased data.1 For the same cohort of women, previous analysis showed that exposure to magnetic fields was a risk factor for miscarriage,2 and this variable should have been included. Moreover, 103/170 …

    View Full Text

    Sign in

    Log in through your institution

    Free trial

    Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
    Sign up for a free trial

    Subscribe