The testis shows physiologic uptake in flourine-18 fluorodeoxyglucose (F-18 FDG) positron emission tomography (PET). The purpose of this study was to examine the degree of FDG uptake of normal testis on PET/computed tomography (CT), especially in relationship to various clinical parameters. We obtained the maximum standardized uptake value (SUVmax) and the mean standardized uptake value (SUVmea...

OBJECTIVES To assess the prospective associations of physical activity behaviors and screen time with early sexual intercourse initiation (i.e., before 15 years) in a large sample of adolescents. METHODS We used two waves of data from the Rotterdam Youth Monitor, a longitudinal study conducted in the Netherlands. The analysis sample consisted of 2,141 adolescents aged 12 to 14 years (mean age...

Background: Chronic drug abuse and sexual dysfunction specifically erectile dysfunction may lead drug abusers to seek over-the-counter or non-prescription medications, out of which Sildenafil citrate, sold as the trade name of Viagra® can be considered as a prime and important treatment. Therefore, the research purpose was to draw a comparison and review the role of methamphetamine abuse and si...

abstract background: infertility is a reproductive health problem and its prevalence is increasing in developing countries. this problem has some significant effects on the sexual behaviors of infertile women, especially during infertility treatment periods. discovering the existing beliefs in the field of sexual and reproductive health and also determining the misconceptions would define the e...

PURPOSE The purpose of this study was to investigate factors that influence sexual intercourse among middle school students in South Korea. METHODS Using statistics from the 8th (2012) Korea Youth Risk Behavior Web-based Survey, hierarchical logistic regression analysis was conducted. The study sample comprised 37,297 middle school students aged primarily 12 to 15. RESULTS The significant p...

BACKGROUND Prolactin (PRL) is one of the most versatile hormones in the mammalian body, affecting reproductive, sexual and other functions. In rats, mating or vaginocervical stimulation activates a characteristic PRL secretory pattern for several days, which is essential for successful reproduction. Although the underlying mechanisms appear to be different, PRL is also crucial for human fertili...

This study aimed to assess the prevalence and correlates of condom use at last sexual intercourse among people aged 15-49 years in Nepal. Secondary data analysis was performed using the Nepal Demographic and Health Survey 2011. The study was restricted to the respondents who reported ever having had sexual intercourse; 9843 females and 3017 males were included. Condom use was assessed by asking...

Volume 24, Number 2, June 1998 result of a curse or bad luck.7 In Senegal, drying agents may be used where there is a community belief that the vagina is not simply a natural part of the body, but must bear the mark of artistic “work.”8 Both men and women have expressed preference for vaginal dryness and tightness during intercourse. In Zaire,9 as well as in Zimbabwe,10 it is reported to increa...

A partner study was conducted in northern Thailand between March 1992 and June 1996 which included data that allowed an assessment of the reliability of self-reports of sexual behavior and contraceptive use among heterosexual couples. The authors enrolled 529 couples among whom all male subjects were human immunodeficiency virus (HIV) seropositive voluntary blood donors and their female sexual ...