Nutrição e Fertilidade – Artigo 11
Serum levels of lycopene, beta-carotene, and retinol and their correlation with sperm DNA damage in normospermic and infertile men
Background: Oxidative stress in reproductive system leads to sperm DNA damage and sperm membrane lipid peroxidation and may play an important role in the pathogenesis of male infertility, especially in idiopathic cases. Antioxidants such as carotenoids function against free radical damages. Objective: The aim of this study was to determine the levels of lycopene, beta-carotene and retinol in serum and their relationship with sperm DNA damage and lipid peroxidat...
Nutrição e Fertilidade – Artigo 10
Protective effect of resveratrol on spermatozoa function in male infertility induced by excess weight and obesity
Male infertility is a complex, multifactorial and polygenic disease that contributes to ~50% cases of infertility. Previous studies have demonstrated that excess weight and obesity factors serve an important role in the development of male infertility. An increasing number of studies have reported that resveratrol may regulate the response of cells to specific stimuli that induce cell injury, as well as decrease germ cell apoptosis in mice or rats. In the present study, the semen ...
Nutrição e Fertilidade – Artigo 09
Oxidative Stress Statues in Serum and Follicular Fluid of Women with Endometriosis
Objective: This study aimed to evaluate the levels of two oxidative stress (OS) markers including lipid peroxide (LPO) and total antioxidant capacity (TAC) in both serum and follicular fluid (FF) of women with endometriosis after puncture. Materials and Methods: In this cross-sectional study, a total number of sixty-three women younger than 40 years old with laparoscopy (gold standard for endometriosis diagnosis)
indication underwent in vitro fertilization (IVF) program in the Royan Institute, Tehran, ...
Nutrição e Fertilidade – Artigo 08
Infertility in men with inflammatory bowel disease
Inflammatory bowel disease (IBD) predominantly affects young adults. Fertility-related issues are therefore important in the management of patients with IBD. However, relatively modest attention has been paid to reproductive issues faced by men with IBD. To investigate the effects of IBD and its treatment on male fertility, we reviewed the current literature using a systematic search for published studies. A PubMed search were performed using the main search terms “IBD AND male infertility”, “Crohn’s disease AND male ...
Nutrição e Fertilidade – Artigo 07
Increased oxidative stress is associated with insulin resistance and infertility in polycystic ovary syndrome
Objectives: The present study aims to investigate the role of oxidant-antioxidant status in young women with polycystic ovary syndrome (PCOS). Material and methods: Seventy-one women with PCOS and 53 healthy controls are compared in aspect of demographic
characteristics, biochemical data, hormones, and oxidant-antioxidant status. Results: The PCOS group had significantly lower zinc, higher malondialdehyde and gluthathione peroxidase and lower serum catalase levels than the ...
Nutrição e Fertilidade – Artigo 13
Highly prevalence of vitamin D deficiency among Brazilian women of reproductive age
Vitamin D has several metabolic functions and possible reproductive functions. This study aimed to determine the prevalence of vitamin D deficiency among Brazilian women of reproductive age, and to evaluate the relationship between serum 25-hydroxyvitamin D [25(OH)D] concentrations and infertility causes. Subjects and methods: This retrospective cross-sectional study evaluated data from a private Brazilian assisted reproduction center that were collected between January 1 and May 5, 2012. Serum 25(OH)D ...
Nutrição e Fertilidade – Artigo 06
High Prevalence of Vitamin D Deficiency in Infertile Women Referring for Assisted Reproduction
A comprehensive analysis of the vitamin D status of infertile women is the first step in understanding hypovitaminosis impact on reproductive potential. We sought to determine vitamin D profiles of women attending an infertility center and to investigate non-dietary
determinants of vitamin D status in this population. In this cross-sectional analysis, a cohort of 1072 women (mean age standard deviation 36.3 4.4 years) attending an academic infertility center was used to examine serum 25-hyd...
Nutrição e Fertilidade – Artigo 05
Effect of Myoinositol and Antioxidants on Sperm Quality in Men with Metabolic Syndrome
This prospective longitudinal study investigated the effects of a dietary supplement in patients affected by reduced sperm motility
(asthenospermic males) with metabolic syndrome. The product tested was Andrositol, which contains myoinositol (MI) as
principal compound, in association with other molecules, and the parameters evaluated were semen characteristics as well as
hormone and metabolic profiles. The inclusion criteria were subjects aged over 18 years, with asthenospermia and metabolic
syndrom...
