Background: Infertility is defined as one year unprotected intercourse without pregnancy. It greatly affects couples' quality of life, and has great impact on their careers, everyday activities, sexual and non-sexual relationships. Objective: To study the prevalence of both primary and secondary infertility and demographic characteristics of it in Yazd province. Materials and Methods: We studie...

Sir, A recent literature search on infertility prevalence in sub-Saharan Africa brought the article entitled ‘International estimates on infertility prevalence and treatment seeking: potential need and demand for medical care’ to my attention (Boivin et al., 2007). The article was published under ‘New Debate’ in this journal. Following a literature review of population based studies, the author...

Background To evaluate the possible association between phthalate esters (PEs) and the occurrence of endometriosis. Blood samples were collected from 99 infertile women with endometriosis (study group); 135 age-matched women without endometriosis (control group) but with infertility related to tubal defects, fibroids, polycystic ovaries, idiopathic infertility and pelvic inflammatory diseases d...

Male infertility is a devastating problem that affects many couples worldwide. However, the molecular mechanisms and causes of idiopathic male infertility remain unclear. Circulating cell-free nucleic acids have an important role in human physiology and emerging evidence suggests that they play a role in male infertility. This review summarizes recent results on cell-free and intracellular nucl...

About infertility Infertility is the inability of a couple to get pregnant despite having regular unprotected sex. A couple is regarded as infertile if, after regular sexual intercourse, they have not conceived in two years. It is estimated that one in seven UK couples has difficulty conceiving (HFEA, 2006). Identifiable causes of infertility include: ovulatory disorders in 27% of couples; tuba...

The clinical definition of male infertility is the presence of abnormal semen parameters in the male partner of a couple who have been unable to conceive after 1 year of unprotected intercourse (Dohle 2010). The World Health Organization defines male factor infertility as the presence of one or more abnormalities in the semen analysis, or the presence of inadequate sexual or ejaculatory functio...

BACKGROUND Global, regional, and national estimates of prevalence of and tends in infertility are needed to target prevention and treatment efforts. By applying a consistent algorithm to demographic and reproductive surveys available from developed and developing countries, we estimate infertility prevalence and trends, 1990 to 2010, by country and region. METHODS AND FINDINGS We accessed and...

BACKGROUND The objective of this study was to identify the prognostic factors that influence the outcome of ovarian stimulation with intrauterine insemination (IUI) cycles in couples with different infertility etiology. MATERIALS AND METHODS This retrospective study was performed in data of 1348 IUI cycles with ovarian stimulation by clomiphene citrate (CC) and/or gonadotropins in 632 women w...

Several epidemiological studies have demonstrated the relationship between the existence of fibroids and the occurrence of infertility; indeed fibroids have been reported in 25-30% of infertile women and are responsible for them alone to 2 to 3% of infertility cases when no other cause was found. The objective of this study was to investigate the probable association between the presence of a f...