BACKGROUND AND PURPOSE Nowadays the mechanism of homosexuality is little known. Few studies have been carried out to explore the brain functional changes of homosexual men during sexual arousal. We used functional MR imaging (fMRI) to determine whether the patterns of brain activation in homosexual and heterosexual men differed during visually evoked sexual arousal. MATERIALS AND METHODS To a...

This statement explores the implications of reproduction by single individuals, unmarried heterosexual couples, and gay and lesbian couples, and concludes that ethical arguments supporting denial of access to fertility services on the basis of marital status or sexual orientation cannot be justified. This document replaces the previous version of this document by the same name, published in Nov...

! : "= 01 $ 9 89 * $' 9 $ -*"( "= 01 ' 9 $ -*"( 9 89 * Abstract Introduction: A sexual relationship which is able to satisfy both sides has an important and fundamental role in success and constancy of family foundation. Recognizing sexual function and its components can lead to sexual satisfaction and ultimately to marital satisfaction that has an important effect on couples’ adjustment...

We estimated human papillomavirus (HPV) transmission rates among persons with documented sexual exposure to an infected partner. Recently formed couples enrolled in the HITCH Study (HPV Infection and Transmission among Couples through Heterosexual activity) in Montreal, Canada, and provided genital specimens for DNA testing of 36 HPV genotypes. At enrollment, 179 couples were discordant for ≥1 ...

Zambia has over 1 million HIV infections nationwide and an urban prevalence rate of 23%. This study compared the impact of male involvement in multiple and single session risk reduction interventions among inconsistent condom users in Zambia and the role of serostatus among HIV-seropositive and serodiscordant couples. Couples (N=392) were randomised into intervention arms. Among inconsistent co...

Background: Infertility is defined as one year unprotected intercourse without pregnancy. It greatly affects couples' quality of life, and has great impact on their careers, everyday activities, sexual and non-sexual relationships. Objective: To study the prevalence of both primary and secondary infertility and demographic characteristics of it in Yazd province. Materials and Methods: We studie...

UNLABELLED Vulvodynia is a prevalent vulvovaginal pain condition that disrupts the sexual and psychological health of affected women and their partners. Cross-sectional and daily experience studies suggest that partner responses to this pain influence the psychological and sexual sequelae of affected couples. However, their daily impact on pain and anxiety remain unknown. Using a daily diary me...