Recommendation to avoid all drugs during first trimester is unrealisticBMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7054.424b (Published 17 August 1996) Cite this as: BMJ 1996;313:424
- Andrew E Czeizel
- Medical geneticist Department of Human Genetics and Teratology, National Institute of Public Health, WHO Collaborating Centre for the Community Control of Hereditary Diseases, Budapest, Hungary
EDITOR,—The message of Patrick Vallance's editorial on drugs and the fetus is rather academic and far from practical experience1; exaggeration of the teratogenicity of drugs causes anxiety in women of childbearing age and increases the likelihood that doctors will practise defensive medicine.
Drugs are probably regarded as the most important of the supposed hazards during pregnancy. Of about 3000 drugs used in Hungary, only 20 are proved teratogens in humans. …