BACKGROUND According to World Health Organization, adolescents are people between 10 and 19 years of age; one-fifth of Ethiopian population constitutes adolescents and four-fifth live in rural areas. Local evidence about adolescents' reproductive health knowledge, services utilization and associated factors are relevant to design age-appropriate program interventions and strategies. Hence, this...

introduction & objective: considering the importance of reproductive health and in order to determine the knowledge of girl high school students about several aspects of reproductive health the present study was done. materials & methods: using cluster random sampling, 546 questionnaires were filled in eight high schools in shiraz. results: the results showed that these adolescents have accepta...

conclusions more than 95% of 15 to 25 year-old women (main reproductive age in iran) are within acceptable immunity range. level of immunity to rubella in women of reproductive age in this region appears satisfactory. patients and methods this descriptive cross-sectional study was conducted on 760 women younger than 25 years attending medical centers in ahvaz. a sample of 3 ml of venous blood w...

Reproductive and growth data were obtained on 779 and 564 yearling beef heifers and bulls, respectively, that had sires with yearling scrotal circumference data at the San Juan Basin Research Center, Hesperus, CO. Partial regression coefficients of reproductive and growth traits on inbreeding (FXC) and age of the individual and adjusted scrotal circumference of sire (SCSI) were obtained. Growth...

Due to socioeconomic factors, more couples are choosing to delay conception than ever. Increasing average maternal and paternal age in developed countries over the past 40 years has raised the question of how aging affects reproductive success of males and females. Since oxidative stress in the male reproductive tract increases with age, we investigated the impact of advanced paternal age on th...

CONTEXT The age of puberty has fallen over the past 130 years in industrialized, western countries, and this fall is widely referred to as the secular trend for earlier puberty. The current study was undertaken to test two evolutionary theories: (a) the reproductive system maximizes the number of offspring in response to positive environmental cues in terms of energy balance, and (b) early pube...

OBJECTIVE The aim of the study was to understand the association between women's reproductive history and their risk of developing type 2 diabetes. We hypothesized that characteristics signifying lower cumulative endogenous estrogen exposure would be associated with increased risk. METHODS Prospective cohort analysis of 124,379 postmenopausal women aged 50 to 79 years from the Women's Health ...

Abstract All animals, including carnivores, adapt their daily activity duration and distribution to satisfy food demands, breed, or avoid mortality risk. We used the kernel density method estimate movement levels patterns of jaguars in Hato Piñero, Venezuelan Western Llanos, based on 3,656 jaguar detection time records from two a half years camera trapping. Jaguars were active for 11.7 h per da...