نتایج جستجو برای: unexplained male infertility

تعداد نتایج: 361991  

Journal: :Indian journal of Medical Biochemistry 2016

2015
Pablo Olivera Juan Lasa

Celiac Disease is a chronic inflammatory disease, caused by an abnormal immune response triggered by intestinal exposure to dietary gluten, the protein fraction of wheat, rye and barley, in genetically susceptible individuals. Among atypical presentations of Celiac Disease, reproductive disorders and adverse pregnancy outcomes have been reported. Infertility is defined as the impossibility of c...

2015
Lien M. Davidson Natalia Barkalina Kevin Coward

Male factor infertility is a complex disorder, affecting approximately 10-15% of couples worldwide, however many of its aetiologies are unknown [1,2]. With the advent of assisted reproductive technology (ART), men with sub-optimal sperm quality are now able to overcome natural selection mechanisms and produce viable offspring [3]. Since ART is a relatively new phenomenon, the impact of inherita...

Journal: :Human reproduction 2015
J A M Hamilton M Cissen M Brandes J M J Smeenk J P de Bruin J A M Kremer W L D M Nelen C J C M Hamilton

STUDY QUESTION Does the prewash total motile sperm count (TMSC) have a better predictive value for spontaneous ongoing pregnancy (SOP) than the World Health Organization (WHO) classification system? SUMMARY ANSWER The prewash TMSC shows a better correlation with the spontaneous ongoing pregnancy rate (SOPR) than the WHO 2010 classification system. WHAT IS KNOWN ALREADY According to the WHO ...

Journal: :Human reproduction 2001
O Ozturk K Armstrong S Bhattacharya A Templeton

BACKGROUND Severely reduced fetal growth has been linked to gonadal dysfunction. The aim of this study was to explore the link between birthweight and subsequent male infertility using the Aberdeen Maternity and Neonatal Databank (AMND). METHODS AND RESULTS Assuming 80% power at the 5% significance level, a minimum of 126 men (63 in each group) was required to show a mean difference of 0.5 (S...

2012
Tohid Najafi Marefat Ghaffari Novin Jalil Pakravesh Khadijeh Foghi Fatemeh Fadayi Gelareh Rahimi

BACKGROUND Nitric oxide (NO) is a molecule that incorporates in many physiological processes of female reproductive system. Recent studies suggested the possible role of endothelial isoform of nitric oxide synthase (eNOS) enzyme in female infertility. OBJECTIVE The aim of this study is to evaluate the expression of endothelial nitric oxide synthase in endometrial tissue of women with unexplai...

Journal: :Human reproduction 2004
N P Johnson C M Farquhar W E Hadden J Suckling Y Yu L Sadler

BACKGROUND To assess the effectiveness of flushing with the oil-soluble contrast medium lipiodol in women with unexplained infertility. METHODS An open randomized controlled trial design in a single centre secondary and tertiary level infertility service setting. A total of 158 women with unexplained infertility were stratified into two populations: 96 women without confirmed endometriosis an...

Journal: :Human reproduction 2007
N P Johnson R Kwok A W Stewart M Saththianathan W E Hadden L W Chamley

BACKGROUND A New Zealand randomized trial has shown that lipiodol treatment enhances fertility with high short-term effectiveness for women with endometriosis. METHODS An open randomized trial in a single-centre secondary- and tertiary-level infertility service assessing lipiodol flushing versus no intervention. A total of 158 women with unexplained infertility (62 women with mild endometrios...

Journal: :Molecular human reproduction 1997
L C Layman J L Edwards W E Osborne D B Peak D G Gallup S P Tho R H Reindollar D J Roach P G McDonough K D Lanclos

Women with recurrent abortion, primary unexplained infertility, and gestational trophoblastic neoplasia (GTN) manifest disordered human chorionic gonadotrophin (HCG) secretion. Mutations in the HCG beta/luteinizing hormone (LH) beta gene complex could cause aberrant HCG production in these disorders. The purpose of this study was to determine whether HCG beta gene deletions occur in women with ...

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