CONTEXT Despite widespread efforts to increase contraceptive use to prevent both pregnancy and sexually transmitted diseases among sexually active adolescents, most prior work examining adolescent contraceptive use does not explicitly recognize that sexual decision-making inherently involves both partners in a couple. METHODS An analytic sample of 1,593 females who first had intercourse durin...

Background and Aims: Younger age at first sexual intercourse is associated with a variety of adverse health outcomes. We aimed to gain a clearer understanding of a wide range of individual, family and social factors that may influence sexual behavior of children and adolescents. Specifically, we examined the relationships of developmental assets with age of first sexual intercourse among a larg...

The purpose of this study was to determine whether current HAART use is associated with recent sexual intercourse among HIV-infected women (18-49 years) from Brazil, South Africa and Uganda. We conducted an analysis of survey data from a cross-sectional study, which enrolled 179 HIV-infected women receiving regular care from the Mbarara Hospital HIV Clinic in Uganda (n=85); the Perinatal HIV Re...

OBJECTIVES To identify and report cross-national patterns in contraceptive use among sexually active adolescents. DESIGN A cross-national cross-sectional survey. SETTING Data were collected in 2002 by self-report questionnaire from students in school classrooms. PARTICIPANTS A cluster sample of 33,943 students aged 15 years from 24 countries. MAIN OUTCOME MEASURES International standard...

CONTEXT Fertility awareness-based methods of family planning help women identify the days of the menstrual cycle when they are most likely to become pregnant. To prevent pregnancy, women avoid unprotected intercourse on these days. Efficacy of these methods may be improved if the users most likely to engage in unprotected intercourse on fertile days can be identified and counseled. METHODS Qu...

This postcoital sperm assessment study was performed over a 10 month time period (November 2014-August 2015). Fifteen couples enrolled in the study. The study was a non-blinded, non-randomized, single-center comparison study comparing The Stork® OTC (Rinovum Women's Health, Monroeville, PA) to natural intercourse (NI), using the subjects as their own control/baseline. This was an efficacy study...

CONTEXT Women's employment opportunities may reduce the risk of early intercourse and pregnancy, but some evidence has linked adolescent employment and problem behaviors with early intercourse. METHODS Hazard regression analyses of data from the National Longitudinal Survey of Youth were used to examine the relationship between employment and the risk of first intercourse before age 20 among ...

OBJECTIVE To compare the morphology of the hymen in adolescent girls who have and have not had sexual intercourse involving penile-vaginal penetration. SUBJECTS Female patients aged 13 to 19 years, recruited from an urban adolescent medicine practice. METHODS Subjects were interviewed in private after completing detailed questionnaires and then underwent a physical examination. External gen...

PURPOSE To assess the prevalence and associated factors of unprotected anal intercourse among Iranian male heterosexual Intra-Venous Drug Users (IDUs). METHODS In a cross-sectional study 360 male heterosexual IDUs were sampled from streets of eight different geographical parts of Iran. Variables such as socio-demographics, HIV knowledge (10 items), and HIV attitude (16 items) were entered to ...

This cross sectional survey determined the extent of regretted sexual intercourse among young teenagers in Scotland. Using a questionnaire, data were obtained from 7395 third-year pupils (3365 boys and 3730 girls) aged 13 years and 6 months to 14 years and 9 months in 24 nondenominational state secondary schools. Regretted sexual intercourse, measured on a three-point scale, was analyzed by or...