The number of women-years of exposure is less than for established methods and all available evidence should be considered before prescribing new...

The number of women-years of exposure is less than for established methods and all available evidence should be considered before prescribing new products. Many existing products have, however, been licensed for many years and may have not have been the subject of recent evidence-based assessments. In the paragraphs that follow, answers are provided to a number of key questions about desogestrel-only pills. What is the desogestrel-only pill?