1. Centers for Disease Control and Prevention Reproductive life plan tool for health professionals http://www.cdc.gov/preconception/rlptool.html
2. American College of Obstetricians and Gynecologists’ Committee on Health Care for Underserved Women;Committee Opinion No. 654: Reproductive Life Planning to Reduce Unintended Pregnancy;Obstet Gynecol,2016
3. Every woman, every time;Conry;Obstet Gynecol,2013
4. Understanding the potential of teachable moments: the case of smoking cessation;McBride;Health Educ Res,2003
5. Eurostat Total Fertility Rate 2016 https://ec.europa.eu/eurostat/statisticsexplained/index.php/Fertility_statistics