introduction: obstructive cholestasis is associated with overproduction of endogenous opioids (eop) ,nitric oxide (no) and cytokines in the blood stream. these consequences can affect sex hormones. sincefertility is a result of physiological balance of sex hormones, we investigated the relationship betweenobstructive cholestasis and sex hormones and apoptotic germ cells in adult male rats. mate...

Background: Polycystic ovary syndrome (PCOS) is an endocrine disorder and one of the main reasons of infertility in women. PCOS causes many symptoms in women, one of the most important of them is ovulation failure. It affects the women at the age of fertility. Many factors are detected to exacerbate PCOS including insulin, anti-Mullerian hormone, obesity and androgen. The aim of this study was ...

The precise impact of age-related changes in hormone levels on cognition in men is still unclear due to differing study designs and contradictory findings. This study was undertaken to examine the relationship between endogenous sex hormone levels and cognitive functioning in healthy older men using a comprehensive battery of neuropsychological tests and measurement of serum sex hormone levels....

Growth hormone (GH), a key regulator of somatic and reproductive growth in vertebrates, has been extensively studied, although primarily female fish. Despite numerous reports about sex- spec...

Background: Endometriosis is a chronic hormone-dependent inflammatory disease determined by the presence of foci endometrial tissue outside uterine cavity. Genetic factors occupy leading position in etiopathogenesis this disease. With endometriosis, there pronounced hormonal imbalance sex hormones both lesion and body sick woman as whole. The aim study:To study associations polymorphism hormone...

This study aimed to investigate the relation between the testicular sperm assay (TESA) and sex hormone level or testicular volume in patients with azoospermia induced by mumps. Samples from 52 patients with mumps-induced azoospermia were subjected to TESA, and then the sperm activity was observed microscopically. The sex hormone level was detected with an electrochemical assay, and ultrasound w...