Background: Multiple sclerosis (MS) is the most common cause of progressive neurological disability in young adults who may be sexually active. MS patients experience high levels of sexual dysfunction with hypoactive sexual behavior and abnormalities in hypothalamus- pituitary-gonad (HPG) axis. In the present study, we aimed to evaluate the correlation between serum levels of sex hormones durin...

Background: The interaction of ethanol consumption and sexual behavior has been evaluated over the past three decades; however, some studies have assessed how ethanol consumption affects the general behavioral aspects of the copulatory cycle patterns in male rats. The aim of this study was to investigate the effect of chronic ethanol consumption on adult male Wistar rats' sexual motivation and ...

A new model of women's sexual response moves the focus from spontaneous drive with its markers of sexual thoughts, fantasies, and conscious urge to be sexual to an inherently responsive cycle. The model reflects intimacy-based sexual motivation, processing of sexual stimuli to arousal, cognitive, and affective appraisal of that arousal. Sexual desire to continue the physical experience is acces...

The DNA sequences of 42 spontaneous mutations of the mtr gene in Neurospora crassa have been determined. The mutants were selected among sexual spores to represent mutations arising in the sexual cycle. Three sexual-cycle-specific mutational classes are described: hotspot mutants, spontaneous repeat-induced point mutation (RIPs) and mutations occurring during a mutagenic phase of the sexual cyc...

Background: Infertility is a major challenge to balance the emotional and sexual life of a couple. Sexual dysfunction is common in infertile couples and women are affected more often than men. This may be related to infertility or infertility diagnosis and treatment process. Infertile couples look sex as part of the process in the treatment so sexy and sensual aspects of human needs will be rem...

This article aims to throw light on the controversial topic of whether women have a 'heat' period within their menstrual cycle. The majority of publications in this field report, in addition to a periovulatory peak, no changes at all or even rises in male- and female-initiated sexual activity, woman's sexual desire, autosexual activity and sexual arousability, and interpersonal sexual activitie...

OBJECTIVE The objective of this study was to evaluate the sexual behavior of women with polycystic ovary syndrome and the relationship between sexual behavior and the clinical parameters related to this syndrome (obesity, hirsutism and menstrual irregularities). METHODS A cross-sectional study was carried out involving 48 women with polycystic ovary syndrome. The evaluation was based on the c...

Age and sex are biological terms that are socioculturally constructed for marriage and marital sexual behavior in every society. Marriage is a universal norm that makes legitimate sexual behavior between a man and a woman in marital life cycle to gain bio-social purposes. Cross-cultural studies reveal that marital sexual frequency as a part of marital sexual behavior not only varies within the ...