Graphs (IMAGE) The Lancet Caption Abortion rates rose in countries with high exposure to the Mexico City policy relative to countries with low exposure when the policy was in action. Show residualized abortion rate (per 10,000 woman-years) and residualized contraceptive use prevalence (%). Woman-years refer to one year in the life of an adult woman. 100 woman-years is equivalent to 100 women over one year, or 10 women over 10 years. Credit <I>The Lancet Global Health</I> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.