نتایج جستجو برای: infertility risk factors
تعداد نتایج: 1785128 فیلتر نتایج به سال:
BACKGROUND Infertility is highly prevalent in Nigeria and most infertile couples in southeast Nigeria are offered conventional forms of treatment, which consist mainly of ovulation induction and tubal surgery, due to limited availability and high cost of endoscopic and assisted reproductive technologies like laparoscopy and in vitro fertilization. The aim of this study was to determine the prev...
Context: Oxidative stress is one of the factors related to the pathogenesis of fertility disorders such as idiopathic infertility, polycystic ovarian syndrome, and endometriosis. Hence, the role of micronutrients has attracted the attention of researchers to the extent that some studies have investigated the role of vitamins and minerals in the risk of female infertility. This study aimed to su...
The haematological and obstetric details of five women with Addisonian pernicious anaemia and infertility are described together with those of another patient who developed the anaemia soon after confinement. The implications are discussed, and it is concluded that the prophylactic administration of small doses of folic acid during pregnancy is a safe procedure while the risk of precipitating s...
BACKGROUND Infertility has a varied impact on multiple dimensions of health and functioning of women. OBJECTIVE We aimed to identify the burden of infertility and its influencing factors based on a population based study conducted in four provinces of Iran. MATERIALS AND METHODS A sample of 1126 women, aged 18-45 years, was selected using the multi stage, stratified probability sampling pro...
Background: Uterine Leiomyoma is the most common benign pelvic tumors. There are different ‎and controversial reports on its frequency and related risk factors.‎ Objective: This study aims to determine the frequency of uterine fibroids in women who had ‎hysterectomy and surveyed related risk factors in two groups of women with and without fibroids.‎ Methods: This des...
Spermatogenesis is a process where an important contribution of genes involved in folate-mediated one-carbon metabolism is observed. The aim of the present study was to investigate the association between male infertility and the MTHFR (677C > T; 1298A > C), MTR (2756A > G) and MTRR (66A > G) polymorphisms in a Polish population. No significant differences in genotype or allele frequencies were...
Infertility is considered to influence the risk of breast cancer and gynecologic cancers. To assess this association, the authors used data from a large cohort of 54,362 women with a diagnosis of infertility who were referred to Danish fertility clinics between 1963 and 1998. Through 2003, 1,975 cancers were identified by linkage to the Danish Cancer Registry. Cancer risk was assessed through s...
In recent times there has been a decline in the semen quality of young healthy men worldwide, with similar findings being reported in Nigeria. Although little is known about what is responsible for the decline in male sperm count worldwide, significant associations have been reported between impaired semen quality including sperm count, motility as well as morphology and exposures to heavy meta...
Background: Ectopic pregnancy (EP) is a common condition which presents a major health problem for women of childbearing age. This study aims to analyze and identify risk factors that have the potential for EP and evaluating the contribution of the risk factors associated EP. Materials and Methods: In this case control study, performed from 2006 to 2011 at Arash hospital, the casepatients were ...
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