OBJECTIVE: To present new data on sexual initiation, contraceptive use, and pregnancy among US adolescents aged 10 to 19, and to compare the youngest adolescents’ behaviors with those of older adolescents. METHODS: Using nationally representative data from several rounds of the National Survey of Family Growth, we performed event history (ie, survival) analyses to examine timing of sexual initi...

This paper reviews 83 studies that measure the impact of curriculum-based sex and HIV education programs on sexual behavior and mediating factors among youth under 25 years anywhere in the world. Two thirds of the programs significantly improved one or more sexual behaviors. The evidence is strong that programs do not hasten or increase sexual behavior but, instead, some programs delay or decre...

traceptive behaviors of young women aged 15 to 24 years who were randomly assigned to 1 of 3 ECaccess groups: advance provision (with 3 packs of EC), pharmacy access, or clinic access (control group). Those in the advance-provision group were almost twice as likely to use EC as those in the clinicaccess group at the 6-month follow-up. The advanceprovision group did not have significantly higher...

Despite impressive global investment in reproductive health programs in West Africa, maternal mortality remains unacceptably high and obstetric care is often inadequate. Fertility is among the highest in the world, while contraceptive prevalence remains among the lowest. This paper explores the social and technical dimensions of this situation. We argue that effective reproductive health progra...

OBJECTIVE: To present new data on sexual initiation, contraceptive use, and pregnancy among US adolescents aged 10 to 19, and to compare the youngest adolescents’ behaviors with those of older adolescents. METHODS: Using nationally representative data from several rounds of the National Survey of Family Growth, we performed event history (ie, survival) analyses to examine timing of sexual initi...

PURPOSE To: (a) identify risk and protective factors for behaviors that expose Zambian youth to risk of HIV infection and, (b) assess whether research findings from the United States concerning protective factors in "high-risk" environments might apply to other settings. METHODS A community-based sample of 2328 youth ages 10-24 years residing in Lusaka, Zambia was interviewed. Multivariate st...

objective: to examine the relationship between socioeconomic factors affecting contraceptive use among tribal women of bangladesh with focusing on son preference over daughter. materials and methods: the study used data gathered through a cross sectional survey on four tribal communities resided in the rangamati hill district of the chittagong hill tracts, bangladesh. a multistage random sampli...

long protocol of gonadotropin-releasing hormone-analougue (gnrh-a) can result in the formation of ovarian cyst by the transient initial stimulatory effect which increases the levels of both follicle-stimulating hormone (fsh) and luteinizing hormone (lh). these cysts require surgical drainage or result in poor ovarian response. ovarian cyst formation can be prevented by taking oral contraceptive...