Abstract This aimsof this research is to determine the factors that influence of the incidence of premarital sex among female adolescents. Methodology on this research was a descriptive correlative with cross sectional approach. The sample in this research are 118female adolescents in Senior High School 1 South North Pagai Mentawai Islands with stratified sampling technique.Measuring instrumentwas useda questionnaire. The analysis was usedunivariateandbivariateanalysisbyChi-squared test.The results showedthat effect ofpressurefromfriendswith p-value0.025andpovertyinfluence onpremaritalsexwith ap-value<0.05, namely 0.002, while the influenceof pressurefromboyfriends, parental attitudes, shiftingcultural, moralandethicalas well asknowledgehas no effect onpremaritalsex. This studysuggeststo theSenior High School 1 SouthNorthPagaiMentawai islandstogiveeducationandinformationonreproductivehealthandsexualityeducation. so expecta teenagerto knowthe effectsof premarital sexandraise awareness of theinfluence offree associationin public life. Keywords : Incidence of premarital sex, adolescents References: 59 (2004-2013)
Copyrights © 2015