In Ethiopia as in most developing countries the population has increased steadily which led the growth rate of adolescents in the society never before due to high fertility rate. These Adolescents are lack of adequate information and services about reproductive health issues. Most of the time parents are not comfortable talking sexual matter to their children .Increased exposure to the health risks of teenage pregnancy, HIV/AIDS, and abortion. population and family life education is limited. Each chapter assesses the existing knowledge, attitudes and practice of adolescents women towards sexual behavior and reproductive health in Addis Ababa. Moreover, when sex started? How many sexual partners had? How adolescents are influenced by peer and socio-cultural factors ? Where to get source of information and services? Is there any relationship between population growth and reproductive health? Where preferred to get family life education? This book also provide factual data and information for students ,policy makers, researchers, educators, self-help groups and other voluntary organizations or you may be someone using the resource to tackle this problem from different angles.