Satarzadeh N1, Bahrami N2, Ranjbar Koch-saraei F3, Ghojazadeh M4 1. Instructor, Department of nursing, Faculty of nursing and midwifery, Tabriz University of medical sciences 2. Instructor, Department of parastari, Faculty of nursing and midwifery,Ghazvin University of medical sciences 3. Assistant professor, Department of psychology medicine , Faculty of medicine , Tabriz University o...

INTRODUCTION Elevated nitric oxide (NO) levels have been shown to have toxic effects on sperm function and motility. This study was conducted to compare NO levels in the seminal fluid of infertile men with varicocele with those of infertile and fertile men without varicocele. MATERIALS AND METHODS Semen samples were obtained from 40 infertile men with varicocele (group 1), 40 infertile men wi...

The usual testicular location, either low or high in the scrotum, as well as testis ascent into suprascrotal position at least once a week from a usually scrotal position reported by the patient to occur spontaneously and regularly, were recorded in 85 fertile and 1014 infertile men, including 95 with a history of cryptorchism. The frequency of at least one testis being in a high scrotal locati...

background: infertility is a major reproductive health in gynecology. according to the world health organization, there are currently 50-80 million infertile couples in the world. objective: considering the critical effects of lifestyle on reproductive health, this study aimed to compare the lifestyle of fertile and infertile couples in kermanshah during 2013. materials and methods: this resear...

: presence of antisperm antibodies (asas) in infertility and their adverse effects on fertility is a matter of controversy. the aims of this study were to determine the percentage of antibody positive sperms and rate of asa positive sera in both fertile and infertile men and women, and to find the association between these antibodies and infertility.   methods: this study consisted of 29 fertil...

s:1993:"Background: There are many approaches that gene expression is controlled in eukaryotes. DNA methylation is one of several epigenetic mechanisms that cells use to control gene expression and lock genes in the "off" position. In addition, sperm DNA damage can correlate with DNA methylation defect. There is evidence that sperm of infertile men contain more DNA damage than fertile men and t...