Robert Engelman, Methods Section for “An End to Population Growth: Why Family Planning Is Key to a Sustainable Future”, The Solutions Journal, Volume 2, Issue 3, May 2011, ( Abstract: The Guttmacher Institute provides estimates, covering various years in the last decade, of the proportions of all pregnancies that women report as unintended in many developing and developed countries.1,2 More than 40 percent of pregnancies fall into this category in developing countries, and more than 47 percent are unintended in developed countries such as the United States. (That unintended pregnancy is higher in developed than in developing countries seems surprising, given the generally greater access to family planning services in developed countries. It may be that access is only part of the story. Perhaps inadequate sex education, ambiguous parental messages about sex, and a sexualized popular culture encourage unprotected and risky sex in wealthier countries. It may also be that women in countries where the value of high fertility tends to be relatively high are more likely to call any pregnancy “intended” regardless of their reproductive aspiration at the time of … Topics: Health; Population