نتایج جستجو برای: unexplained male infertility

تعداد نتایج: 361991  

2014

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...

2017
Mehran Dorostghoal Hamid-o-allah Ghaffari Nahid Shahbazian Maryam Mirani

BACKGROUND Endometrial receptivity plays a key role in the establishment of successful implantation and its impairment may contribute to subfertility and limit the assisted reproduction techniques (ART) success. OBJECTIVE The aim of present study was to investigate endometrial receptivity in terms of β3 integrin, calcitonin and plexin-B1 expression in women with unexplained infertility. MAT...

Firouzeh Ghaffari, Mohammad Reza Akhoond, Shahideh Jahanian Sadatmahalleh,

Background: Common treatment for infertile couples is the use of controlled ovulation hyperstimulation (COH) with intrauterine inseminations (IUI). IUI is used in cases such as ovulatory dysfunction, cervical factor infertility, male subfertility, and unexplained infertility. In this study, we evaluated the relationship between IUI outcome and special causes of infertility. Methods: This was a...

Journal: :BMJ 1990
R A Graham M W Seif J D Aplin T C Li I D Cooke A W Rogers P Dockery

OBJECTIVE To study a group of women with unexplained infertility to see whether they have a defect that is intrinsic to the endometrium. DESIGN Evaluation of the functional response of the endometrium by examining endometrial biopsy specimens using immunohistochemical methods in a group of women with unexplained infertility and in a control group of women with normal fertility. PATIENTS 27 ...

2015
Zahra Kamyabi Tayebe Gholamalizade

BACKGROUND The relationship between metabolism and reproduction has been always considered as an important topic in female endocrinology. It seems that leptin is one of the involved factors in infertility. Leptin, in addition to regulating body weight plays an important role in regulation of endocrine, reproductive and immune systems. The aim of this stduy is to compare serum and follicular flu...

Journal: :Fertility and sterility 2011
Eli A Rybak Michael J Szmyga Gregory Zapantis Mary Rausch Victor E Beshay Alex J Polotsky Christos Coutifaris Bruce R Carr Nanette Santoro U Thomas Meier

OBJECTIVE To determine whether nucleolar channel systems (NCSs) in the midluteal endometrium are associated with overall fertility status and/or with unexplained infertility. DESIGN Retrospective and prospective clinical studies. SETTING Repository of stored specimens from prior multicenter study and private infertility center. PATIENT(S) Retrospective study that included 97 women (49 fer...

2015
Fabiana Y. Nakano Rogério de Barros F. Leão Sandro C. Esteves

Unexplained infertility diagnosis is made in the presence of a normal semen analysis when tubal patency and normal ovulatory function are established. Among several potential causes, unexplained infertility could be attributed to vaginal pH and cervical mucus abnormalities. Although the vaginal canal and the cervix generally function as effective barriers to sperm, and although the production o...

2017
Raghavender Kosgi

tau.amegroups.com © Translational Andrology and Urology. All rights reserved. The expert panel made a tremendous effort to propose guidelines on the emerging trends of sperm DNA fragmentation testing and its clinical utility based on the available latest scientific evidence (1). Panel presented it in a systematic manner by a practical approach with four common clinical case scenarios. In the er...

Journal: :Human reproduction 2001
T Y Lee G H Sun S C Chao

BACKGROUND Few studies have explored the effect of a gender-specific infertility diagnosis on the responses of couples in Taiwan. The purpose of this research was to compare the differences in distress, marital and sexual satisfaction in husbands and wives based on an infertility diagnosis. METHODS Three structured questionnaires were used. RESULTS Female members of couples in which both pa...

2006
Soheila Arefi Mahnaz Heidari Mohammad Mehdi Akhondi Ahmad Ali Bayat Mahmood J. Tehrani Ali S. Tabaei AliReza M. Jarrahi

Objective: To assess the correlation of the presence of AZA in the follicular fluids (FFs) of women who underwent ICSI, and etiology of infertility as well as multiple puncture of ovaries, and also the relation of presence of AZA with the results of ICSI, as the main outcome, to realize if ICSI can bypass the possible effect of AZA on reproduction. Materials and Methods: In this prospective one...

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