Departments: Letters to the Editor
Gynaecological Clinic, Rigshospitalet, University of Copenhagen, Denmark
Financial Disclosure: Dr. Lidegaard has received fees for speeches in pharmacoepidemiologic issues, including 1–2 from pharmaceutical companies per year. His institution received a grant for conducting supplementary analyses to his study published in BMJ referred to in this article, after a request from European Medicines Agency (EMA). The expenses for these supplementary analyses were covered by Bayer Pharma (Berlin, Germany).
doi: 10.1097/AOG.0b013e3182097025