background: gender role attitudes toward sexual matters may define suitable and appropriate roles for men and women during a sexual relationship. this study aimed to explore and assess gender-based sexual roles in iranian families. materials and methods: this was an exploratory mixed methods study in which perceptions and experiences of 21 adult iranian participants about gender-based sexual ro...

background: sexual dysfunction in women is very common and it affects physical and mental health. several studies have been conducted in iran in order to investigate the prevalence of female sexual dysfunction. however, there is a remarkable diversity among the results. this meta-analysis was conducted to estimate the overall prevalence of female sexual dysfunction in iran. methods: internation...

Background: Sexual satisfaction is the fundamental role in success of family foundation. sexual satisfaction is the one of the most important components of life’s satisfaction. that influence on couples’ health. Although sexual function is related to sexual satisfaction but this factor cant be recognized as the only influential factor and the other factors include relational and emotional varia...

background:   objective: herein we evaluated the frequency and predisposing factors of sexual dysfunction in infertile pcos patients.   materials and methods: in this cross-sectional study, 130 married women with a definite diagnosis of pcos who were referred due to infertility were recruited. they were evaluated concerning their sexual function in the domains of desire, arousal, lubrication, o...

background & aim: midwives have a substantial role in evaluating and improving sexual health and providing family counseling. the aim of this study was to evaluate clinical skills of midwifery students of mashhad university of medical sciences in providing sexual health counseling services and determine their attitudes toward sexual relations of couples in the academic year of 2014-2015. method...

The micronucleus of Paramecium plays an essential role in the development of the oral apparatus in both asexual and sexual cycles. The present study analyses this somatic function of the micronucleus by interspecific transplantation of the micronucleus between two species, P. jenningsi and P. tetraurelia. The two species are similar in nucleogenesis in the sexual cycle, in the dependence of sto...

Sexual differentiation is essential for the transmission of Plasmodium to mosquitoes and therefore, for the spread of malaria. The molecular mechanisms underlying sexual differentiation are poorly understood but may be elucidated by a detailed study of the regulation of expression of sexual stage specific genes. In the present work we describe the differential expression of the gene encoding th...

Sex determination in most organisms involves a simple binary fate choice between male or female development; the outcome of this decision has profound effects on organismal biology, biochemistry and behaviour. In the nematode C. elegans, there is also a binary choice, either male or hermaphrodite. In C. elegans, distinct genetic pathways control somatic and germline sexual cell fate. Both pathw...