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https://www.readbyqxmd.com/read/28104697/male-birthweight-semen-quality-and-birth-outcomes
#1
B W Whitcomb, M S Bloom, S Kim, Z Chen, G M Buck Louis
STUDY QUESTION: What are the relations among birthweight (BW), semen parameters and birth outcomes in a population-based sample? SUMMARY ANSWER: BW is unrelated to semen parameters, which are in turn unrelated to birth outcomes. WHAT IS KNOWN ALREADY: In clinical settings, there has been suggestion that semen parameters are related to BW when comparing fertile and infertile men; however, findings have been less clear in more general populations...
January 18, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28098358/subclinical-alteration-of-the-cervical-vaginal-microbiome-in-women-with-idiopathic-infertility
#2
Giuseppina Campisciano, Fiorella Florian, Angela D'Eustacchio, David Stanković, Giuseppe Ricci, Manola Comar
Biomarkers have a wide application in research and clinic, they help to choose the correct treatment for diseases. Recent studies, addressing the vaginal microbiome using next generation sequencing (NGS), reported the involvement of bacterial species in infertility. We compared the vaginal microbiome of idiopathic infertility diagnosed women with that of healthy, non-idiopathic infertile and bacterial vaginosis affected women, to identify bacterial species suitable as biomarkers. Information on microorganisms was obtained from the V3-16S rDNA sequencing of cervical-vaginal fluids of 96 women using the Ion Torrent platform...
January 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28093458/single-cell-gene-expression-analysis-reveals-diversity-among-human-spermatogonia
#3
N Neuhaus, J Yoon, N Terwort, S Kliesch, J Seggewiss, A Huge, R Voss, S Schlatt, R V Grindberg, H R Schöler
STUDY QUESTION: Is the molecular profile of human spermatogonia homogeneous or heterogeneous when analysed at the single-cell level? SUMMARY ANSWER: Heterogeneous expression profiles may be a key characteristic of human spermatogonia, supporting the existence of a heterogeneous stem cell population. WHAT IS KNOWN ALREADY: Despite the fact that many studies have sought to identify specific markers for human spermatogonia, the molecular fingerprint of these cells remains hitherto unknown...
January 15, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28091967/balancing-ethical-pros-and-cons-of-stem-cell-derived-gametes
#4
Seppe Segers, Heidi Mertes, Guido de Wert, Wybo Dondorp, Guido Pennings
In this review we aim to provide an overview of the most important ethical pros and cons of stem cell derived gametes (SCD-gametes), as a contribution to the debate about reproductive tissue engineering. Derivation of gametes from stem cells holds promising applications both for research and for clinical use in assisted reproduction. We explore the ethical issues connected to gametes derived from embryonic stem cells (both patient specific and non-patient specific) as well as those related to gametes derived from induced pluripotent stem cells...
January 13, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28086915/comparative-study-in-infertile-couples-with-and-without-chlamydia-trachomatis-genital-infection
#5
Yuanchang Zhu, Biao Yin, Tonghua Wu, Lijun Ye, Chunmei Chen, Yong Zeng, Yaou Zhang
BACKGROUND: Chlamydia, caused by the bacterium Chlamydia trachomatis(C. trachomatis), is the most common sexually transmitted disease. The incidence is not clear due to the asymptomatic nature of early stage of infections. The incidence of Chlamydia has not been fully investigated in the Chinese Han population. Since chronic infection with can C. trachomatis can lead to infertility in males and females, it is important to determine the impact of infection on clinical outcomes. The aim of this study is to explore the epidemiology of C...
January 13, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28073824/a-drosophila-toolkit-for-defining-gene-function-in-spermatogenesis
#6
Nicole A Siddall, Gary R Hime
Expression profiling and genomic sequencing methods enable the accumulation of vast quantities of data that relate to expression of genes during the maturation of male germ cells from primordial germ cells to spermatozoa, and potential mutations that underlie male infertility. However, determination of gene function in specific aspects of spermatogenesis or linking abnormal gene function with infertility remain rate limiting, as even in an era of CRISPR analysis of gene function in mammalian models, this still requires considerable resources and time...
January 10, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28068922/functional-changes-in-mrna-expression-and-alternative-pre-mrna-splicing-associated-with-the-effects-of-nutrition-on-apoptosis-and-spermatogenesis-in-the-adult-testis
#7
Yongjuan Guan, Guanxiang Liang, Graeme B Martin, Le Luo Guan
BACKGROUND: The effects of nutrition on testis mass in the sexually mature male have long been known, however, the cellular and molecular processes of the testis response to nutrition was not fully understood. METHODS: We tested whether the defects in spermatogenesis and increases in germ cell apoptosis in the testis that are induced by under-nutrition are associated with changes in mRNA expression and pre-mRNA alternative splicing using groups of 8 male sheep fed for a 10% increase or 10% decrease in body mass over 65 days...
January 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28066835/the-attitudes-of-infertile-couples-towards-assisted-reproductive-techniques-in-yazd-iran-a-cross-sectional-study-in-2014
#8
Seyed Alireza Afshani, Ali Mohammad Abdoli, Mehrieh Hashempour, Maryam Baghbeheshti, Mohammad Zolfaghari
BACKGROUND: Knowledge about assisted reproductive techniques (ART) and its procedures affect the attitude of infertile people. Making decisions about the use of ART is affected by one's perception and attitude. OBJECTIVE: The aim of this cross-sectional study was to determine the attitude of infertile couples toward applying ART, and to investigate its related factors. MATERIALS AND METHODS: A randomized cross-sectional study was conducted on 184 infertile couples who had referred to the Research and Clinical Center of Infertility, Yazd, Iran for diagnosis and treatment in June 2014...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28063090/don-t-give-up-a-cyber-ethnography-and-discourse-analysis-of-an-online-infertility-patient-forum
#9
Mihan Lee
Infertility affects women across the socioeconomic spectrum; however, it is by no means egalitarian in its distribution, nor uniform in its lived experience. Evidence shows striking disparities by income, race, and education in infertility prevalence, access to infertility services, and success rates after receiving infertility treatments. However, few studies so far have investigated disparities in patients' access to psychological support during the infertility journey. This paper undertakes a cyber-ethnography of the online patient forum, "Finding a Resolution for Infertility," hosted by RESOLVE: The National Infertility Association...
January 6, 2017: Culture, Medicine and Psychiatry
https://www.readbyqxmd.com/read/28059554/searching-for-love-and-test-tube-babies-iraqi-refugee-men-in-reproductive-exile-on-the-margins-of-detroit
#10
Marcia C Inhorn
In this article, I explore the reproductive health problems faced by Iraqi refugees, one of America's most rapidly growing immigrant populations. Based on anthropological research in 'Arab Detroit', the 'capital' of Arab America, I explore the experiences of Iraqi refugee men seeking medical help for their infertility. Most required intracytoplasmic sperm injection (ICSI), a variant of in vitro fertilization (IVF). However, in America's privatized medical system-where a single cycle can cost more than $12,000-few could possibly afford this assisted reproductive technology (ART)...
January 6, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28056690/2016-guidelines-of-the-american-thyroid-association-for-the-diagnosis-and-management-of-thyroid-disease-during-pregnancy-and-the-postpartum
#11
Erik K Alexander, Elizabeth N Pearce, Gregory A Brent, Rosalind S Brown, Herbert Chen, Chrysoula Dosiou, William Grobman, Peter Laurberg, John H Lazarus, Susan J Mandel, Robin Peeters, Scott Sullivan
BACKGROUND: Thyroid disease in pregnancy is a common clinical problem. Since the American Thyroid Association's (ATA's) guidelines for the management of these disorders were first published in 2011, significant clinical and scientific advances have occurred in the field. The aim of these guidelines is to inform clinicians, patients, researchers, and health policy makers on published evidence relating to the diagnosis and management of thyroid disease in women during pregnancy, preconception and the postpartum period...
January 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28050960/obesity-and-anovulatory-infertility-a-review
#12
REVIEW
Christiane R Giviziez, Eliane G M Sanchez, Mário S Approbato, Monica C S Maia, Eliamar Aparecida B Fleury, Reinaldo S A Sasaki
This global overweight and obesity epidemics has become one of the largest public health problem worldwide and is increasingly more common among women in reproductive age. Along with the prevalence of overweight women, there is an increase in women with anovulatory infertility. Thus, we carried out a bibliographic research in the PubMed, Lilacs and SciELO databases, using the combinations in Portuguese, Spanish and English of the following descriptors: "Body Mass Index", "obesity", "overweight", "female infertility" and "anovulation"...
December 1, 2016: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28042419/permissibility-of-multifetal-pregnancy-reduction-from-the-shiite-point-of-view
#13
Atefeh Zabihi Bidgoli, Faezeh Azimzadeh Ardbili
BACKGROUND: Advancements in medical technology have significantly increased the possibility of successful infertility treatment. Medical interventions in the initial process of pregnancy that intend to increase the chances of pregnancy create the risk of multifetal pregnancies for both mothers and fetuses. Physicians attempt to reduce the numbers of fetuses in order to decrease this risk and guarantee the continuation of pregnancy. The aim of this paper is to understand the Shiite instruction in terms of the risks multifetal pregnancies have for fetuses and if it is permissible to reduce the numbers of fetuses...
January 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28042414/lack-of-association-between-cu-t-380a-intrauterine-device-and-secondary-infertility-in-iran
#14
Mahnaz Abdinasab, Razieh Dehghani Firouzabadi, Tahmineh Farajkhoda, Ali Mohammad Abdoli
BACKGROUND: The appropriate choice of a contraceptive method has been a major issue in reproductive health research. Cu T intrauterine device (Cu T IUD) has been introduced as one of the most effective contraceptive methods in the world, however, the relationship between prior use of Cu T IUD and secondary infertility has not been evaluated in Iran. To examine the association of Cu T-380A IUD and secondary infertility in Iran. MATERIALS AND METHODS: A retrospective cohort study was conducted from December 2010 to September 2011 in the Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran...
January 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28042411/clomiphene-citrate-treatment-cycle-outcomes-of-polycystic-ovary-syndrome-patients-based-on-basal-high-sensitive-c-reactive-protein-levels-a-cross-sectional-study
#15
Serkan Kahyaoglu, Omer Hamid Yumuşak, Sebnem Ozyer, Meryem Kuru Pekcan, Merve Erel, Mahmut Nedim Cicek, Salim Erkaya, Yasemin Tasci
BACKGROUND: Polycystic ovary syndrome (PCOS) is highly associated with an ovulatory infertility, features of the metabolic syndrome, including obesity, insulin resistance and dyslipidemia. Serum concentrations of high sensitive C-reactive protein (hs-CRP) were significantly higher in obese than in non-obese PCOS patients at baseline, suggesting a relationship between elevated hs-CRP levels and obesity. The aim of this study was to evaluate whether cycle day 3 hs-CRP levels before clomiphene citrate (CC) treatment would predict cycle outcomes in women with PCOS...
January 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28033660/wide-spectrum-of-nr5a1-related-phenotypes-in-46-xy-and-46-xx-individuals
#16
REVIEW
Sorahia Domenice, Aline Zamboni Machado, Frederico Moraes Ferreira, Bruno Ferraz-de-Souza, Antonio Marcondes Lerario, Lin Lin, Mirian Yumie Nishi, Nathalia Lisboa Gomes, Thatiana Evelin da Silva, Rosana Barbosa Silva, Rafaela Vieira Correa, Luciana Ribeiro Montenegro, Amanda Narciso, Elaine Maria Frade Costa, John C Achermann, Berenice Bilharinho Mendonca
Steroidogenic factor 1 (NR5A1, SF-1, Ad4BP) is a transcriptional regulator of genes involved in adrenal and gonadal development and function. Mutations in NR5A1 have been among the most frequently identified genetic causes of gonadal development disorders and are associated with a wide phenotypic spectrum. In 46,XY individuals, NR5A1-related phenotypes may range from disorders of sex development (DSD) to oligo/azoospermia, and in 46,XX individuals, from 46,XX ovotesticular and testicular DSD to primary ovarian insufficiency (POI)...
December 2016: Birth Defects Research. Part C, Embryo Today: Reviews
https://www.readbyqxmd.com/read/28027542/influence-radio-and-chemotherapy-cancer-patients-to-development-of-male-infertility-literature-review
#17
I T Gavrysh
The questions that reflect the pathogenesis of disorders under the influence of radiation and chemotherapy on spermatogenesis considered dose effects resulting from the course of treatment, a group of drugs used for chemotherapy protection principles reflected spermatogenesis in cancer patients and methods of recovery. Actuality further research.
December 2016: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/28025393/peroxiredoxins-prevent-oxidative-stress-during-human-sperm-capacitation
#18
Donghyun Lee, Adel R Moawad, Tania Morielli, Maria C Fernandez, Cristian O'Flaherty
STUDY QUESTION: Do peroxiredoxins (PRDXs) control reactive oxygen species (ROS) levels during human sperm capacitation? SUMMARY ANSWER: PRDXs are necessary to control the levels of ROS generated during capacitation allowing spermatozoa to achieve fertilizing ability. WHAT IS KNOWN ALREADY: Sperm capacitation is an oxidative event that requires low and controlled amounts of ROS to trigger phosphorylation events. PRDXs are antioxidant enzymes that not only act as scavengers but also control ROS action in somatic cells...
December 26, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28017656/primary-human-testicular-cells-self-organize-into-organoids-with-testicular-properties
#19
Yoni Baert, Joery De Kock, João P Alves-Lopes, Olle Söder, Jan-Bernd Stukenborg, Ellen Goossens
So far, successful de novo formation of testicular tissue followed by complete spermatogenesis in vitro has been achieved only in rodents. Our findings reveal that primary human testicular cells are able to self-organize into human testicular organoids (TOs), i.e., multi-cellular tissue surrogates, either with or without support of a biological scaffold. Despite lacking testis-specific topography, these mini-tissues harbored spermatogonia and their important niche cells, which retained specific functionalities during long-term culture...
January 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28007790/the-effect-of-expressive-writing-intervention-for-infertile-couples-a-randomized-controlled-trial
#20
Yoon Frederiksen, Mia Skytte O'Toole, Mimi Y Mehlsen, Benedicte Hauge, Helle Olesen Elbaek, Robert Zachariae, Hans Jakob Ingerslev
STUDY QUESTION: Is expressive writing intervention (EWI) efficacious in reducing distress and improving pregnancy rates for couples going through ART treatment? SUMMARY ANSWER: Compared to controls, EWI statistically significantly reduced depressive symptoms but not anxiety and infertility-related distress. WHAT IS KNOWN ALREADY: ART treatment is considered stressful. So far, various psychological interventions have been tested for their potential in reducing infertility-related distress and the results are generally positive...
December 21, 2016: Human Reproduction
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