Background Strengths and Limitations of the Data. Methods. Results. Sexual Behavior:
Trends and Current Prevalence Among Teens and Characteristics of Partners …

PURPOSE: Existing failure rate studies indicate that typical use of oral contraception (OC)
results in fewer unplanned pregnancies than condom use, even among teenagers …

Background: The UK has the highest rate of teenage pregnancies in western Europe.
Although there is a large body of literature focusing on predictors of conception among this …

Drawing on DeLamater's conceptual model of premarital contraceptive activity, this study
assessed the relationships between various social, developmental, and behavioral …

CONTEXT: Little research links adolescent risk behaviors to reproductive health outcomes
beyond adolescence, although young adults—men and women in their early 20s—bear a …

Objective This study examines changes over time in the prevalence of select sexual
behaviors and contraceptive use measures in a national sample of US adolescents. Study …

PURPOSE: To explore whether patterns of sexual relationships, such as sequential
(nonoverlapping in time) or concurrent (overlapping in time), are more important indicators …

Positive trends in adolescent sexual activity, contraceptive use, pregnancy, and childbearing
have occurred over the past decade. Between 1993 and 2003, the percentage of high …

Although sexual risk behavior occurs in a dyadic context, most studies of adolescent sexual
behavior focus on individuals. This study uses couple data (N= 488 couples) from the …

This article offers an overview of sexual behavior and contraceptive knowledge and use
among adolescent women across a large number of developing countries. The results …