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Female infertility

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https://www.readbyqxmd.com/read/29454146/matching-trends-for-the-fellowship-in-minimally-invasive-gynecologic-surgery-fmigs-since-participation-in-the-national-residency-match-program-nrmp
#1
Maria V Vargas, Magdy P Milad
OBJECTIVE: To describe the level of interest in the fellowship in minimally invasive gynecologic surgery (FMIGS) using data from National Residency Match Program (NRMP) over the past 4 years. DESIGN: Retrospective report (Canadian Task Force Classification II-2) SETTING: Publically reported data from the NRMP PARTICIPANTS: Applicants using the NRMP to match into fellowship training. INTERVENTIONS: Reporting matching trends for the gynecologic surgical subspecialty programs starting in 2014, when the FMIGS programs started participating in the NRMP...
February 14, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29450815/factors-affecting-reproductive-performance-in-dromedary-camel-herds-in-saudi-arabia
#2
Ahmed Ali, Derar Derar, Abdulhadi Alsharari, Assaf Alsharari, Rashid Khalil, Tariq I Almundarij, Yaser Alboti, Fahd Al-Sobayil
A survey of 7122 dromedary camels in 115 herds in Saudi Arabia was used to estimate the effects of herd size (HZ; < 25 vs. 25-49 vs. 50-100 vs. > 100 camels), herder/camels ratio (H/C; 1:< 25 vs. 1:25-50 vs. 1:> 50), manager experience (ME; < 5 vs. 5-10 vs. > 10 years), male/females ratio (M/F), housing system (HS; free vs. closed vs. mixed), length of the breeding season (winter vs. winter and spring vs. fall, winter and spring), age at first mating (3 vs. > 3 years), and time of mating after parturition (≤ 3 vs...
February 15, 2018: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29447380/sirtuins-in-gamete-biology-and-reproductive-physiology-emerging-roles-and-therapeutic-potential-in-female-and-male-infertility
#3
Carla Tatone, Giovanna Di Emidio, Arcangelo Barbonetti, Gaspare Carta, Alberto M Luciano, Stefano Falone, Fernanda Amicarelli
BACKGROUND: Sirtuins (SIRT1-7) are a family of NAD+-dependent deacetylases that catalyze post-translational modifications of proteins. Together, they respond to metabolic challenges, inflammatory signals or hypoxic/oxidative stress, and are associated with aging and longevity. The role of Sirtuins in the regulation of fertility emerged in 2003 when a defective reproductive phenotype was observed in SIRT1-null mice. Although studies on Sirtuins in reproductive biology have been increasing in the last years, a recent comprehensive update on this issue is still lacking...
February 13, 2018: Human Reproduction Update
https://www.readbyqxmd.com/read/29438493/history-of-estrogen-in-the-male-an-historical-perspective
#4
Rex A Hess, Paul S Cooke
Estrogens have traditionally been considered female hormones. Nevertheless, the presence of estrogenic substances in males has been known for over 90 years. Initial work with estrogen suggested that it was deleterious to male reproduction because exogenous estrogen treatments induced developmental abnormalities. However, demonstrations of estrogen synthesis in the testis and high concentrations of 17β-estradiol (E2) in rete testis fluid suggested that the female hormone might have a function in normal male reproduction...
February 9, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29434813/association-between-vascular-endothelial-growth-factor-promoter-polymorphisms-and-the-risk-of-recurrent-implantation-failure
#5
Sung Han Shim, Jung Oh Kim, Young Joo Jeon, Hui Jeong An, Hyun Ah Lee, Ji Hyang Kim, Eun Hee Ahn, Woo Sik Lee, Nam Keun Kim
The objective of the present study was to investigate the association between recurrent implantation failure (RIF) and vascular endothelial growth factor (VEGF) gene polymorphisms that are associated with various female infertility disorders. A total of 116 women diagnosed with RIF and 218 control subjects were genotyped for the VEGF -2578C>A, -1154G>A, -634C>G and 936C>T polymorphisms using a polymerase chain reaction-restriction fragment length polymorphism assay. The VEGF -2578AA genotype was associated with an increased prevalence (≥4) of RIF [adjusted odds ratio (AOR)=2...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29433563/therapeutic-effect-of-human-umbilical-cord-derived-mesenchymal-stem-cells-on-injured-rat-endometrium-during-its-chronic-phase
#6
Lu Zhang, Ying Li, Chun-Yi Guan, Shi Tian, Xiao-Dan Lv, Jian-Hui Li, Xu Ma, Hong-Fei Xia
BACKGROUND: Repair deficiency after endometrial injury is an important reason for intra-uterine adhesions, amenorrhea, and infertility in females. Bone marrow-derived mesenchymal stem cell (BMSC) transplantation is effective in repairing the damaged endometrium. However, the possibility of using umbilical cord-derived MSCs (UC-MSCs) to treat endometrial injury is rarely reported. METHODS: Ethanol (95%) was injected into rat uterus to establish a model of endometrial injury...
February 13, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29432538/acquisition-of-oocyte-competence-to-develop-as-an-embryo-integrated-nuclear-and-cytoplasmic-events
#7
Marco Conti, Federica Franciosi
Infertility affects ~7% of couples of reproductive age with little change in incidence in the last two decades. ART, as well as other interventions, have made major strides in correcting this condition. However, and in spite of advancements in the field, the age of the female partner remains a main factor for a successful outcome. A better understanding of the final stages of gamete maturation yielding an egg that can sustain embryo development and a pregnancy to term remains a major area for improvement in the field...
February 8, 2018: Human Reproduction Update
https://www.readbyqxmd.com/read/29430977/amenorrhoea-and-reversible-infertility-due-to-obstructive-hydrocephalus-literature-review-and-case-report
#8
Kimberly Hamilton, Bermans Iskandar
BACKGROUND: Endocrine abnormalities are well-recognized consequences of intracranial pathology such as pituitary tumours. Less commonly, hydrocephalus may lead to dysfunction of the endocrine system, presenting as amenorrhoea or precocious puberty. We present a case report and literature review of hydrocephalus causing endocrine abnormalities including reversible infertility. CASE DESCRIPTION: A 34 year-old female presented with amenorrhoea and infertility. MRI showed a third ventricular mass and hydrocephalus...
February 12, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29429266/-analysis-on-infertility-status-and-influencing-factors-of-female-workers-among-reproductive-age-in-china-s-nine-industries
#9
Z L Xing, W L Yu, M Xu, C Y Yu
Objective: To investigate the infertility rate and influencing factors of female workers in China's nine industries. Methods: Using multi-stage sampling method, from January to November in 2016. A cross-sectional survey was conducted on the infertility of 33 685 female workers in the nine industries including medical and health, petrochemical, metallurgy, railway, machinery manufacturing and electronics,a questionnaire survey. First, three provincial capitals were randomly selected in seven regions. And then we consulted and communicated with the hospital of the provincial city's occupational disease prevention and treatment, marking and coding the target enterprise within its jurisdiction, In these enterprises, we randomly selected five companies...
February 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29428796/long-noncoding-rna-growth-arrest-specific-5-promotes-proliferation-and-survival-of-female-germline-stem-cells-in-vitro
#10
Jie Wang, Xiaowen Gong, Geng G Tian, Changliang Hou, Xiaoqin Zhu, Xiuying Pei, Yanrong Wang, Ji Wu
Female germline stem cells (FGSCs) are proposed to be a key factor for ameliorating female infertility. Previously we have shown that neonatal and adult FGSCs could be isolated and purified from mouse ovarian tissues. The long noncoding (lnc) RNA growth arrest-specific 5 sequence (GAS5) transcribed from mammalian genomes plays important regulatory roles in various developmental processes. However, there is no study on the relationship between GAS5 and FGSC development in vitro. In this study, we showed that GAS5 was highly expressed in the neonatal mouse ovary and was located in both FGSCs and oocytes...
February 8, 2018: Gene
https://www.readbyqxmd.com/read/29428311/impact-of-cancer-treatment-on-risk-of-infertility-and-diminished-ovarian-reserve-in-women-with-polycystic-ovary-syndrome
#11
Lisa M Shandley, Amy Fothergill, Jessica B Spencer, Ann C Mertens, Hanh N Cottrell, Penelope P Howards
OBJECTIVE: To compare markers of fertility and ovarian reserve between cancer survivors and cancer-free women with and without polycystic ovary syndrome (PCOS). DESIGN: Furthering Understanding of Cancer, Health, and Survivorship in Adult (FUCHSIA) Women's Study-a population-based cohort study. SETTING: Not applicable. PATIENT(S): Female cancer survivors (n = 1,090) aged 22-45 years, diagnosed between ages 20 and 35 years, and at least 2 years after diagnosis; 369 participated in a clinic visit...
February 7, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29427631/urofecal-steroid-profiles-of-captive-blue-fronted-parrots-amazona-aestiva-with-different-reproductive-outcomes
#12
Ricardo J G Pereira, Mauricio D Christofoletti, Marcel H Blank, José Mauricio B Duarte
Despite Psitaciformes (parrots) being the third largest nonpasserine order (398 species), it currently ranks second in number of threatened species (28%) according to the Internatinal Union for Conservation of Nature (IUCN) criteria. Since most of the literature concerning reproductive endocrinology in avian species derives from domestic and song birds, it is puzzling that advances in reproductive science for the Psitaciformes order lags far behind, in spite of the growing threats against them. In order to expand our knowledge of Neotropical parrots (Psittacidae), we examined annual changes in urofecal sex steroid metabolites of Blue-fronted amazon pairs (Amazona aestiva) exhibiting successful (nestlings) and unsuccessful breeding (infertile or no eggs)...
February 7, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29427193/knowledge-and-perceptions-of-infertility-in-female-cancer-survivors-and-their-parents
#13
Taryn Sandheinrich, Sarah B Wondmeneh, Caroline Mohrmann, Katie Gettinger, Jennifer Henry, Robert J Hayashi
PURPOSE: The purpose of this study was to assess knowledge and perceptions of infertility, reproductive concerns, quality of life, and emotional burden of fertility concerns in adolescent female cancer survivors and their parents. METHODS: A cross-sectional design was used to investigate reproductive knowledge and concerns among female childhood cancer survivors and their parents. The instruments administered at a single, routine visit were the 13-item knowledge instrument, Adolescent Fertility Values Clarification Tool (VCT), Impact of Event Scale (IES), and Pediatrics Quality of Life Assessment (PedsQL)...
February 9, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29426285/transcriptome-profiles-in-peripheral-white-blood-cells-at-the-time-of-artificial-insemination-discriminate-beef-heifers-with-different-fertility-potential
#14
Sarah E Dickinson, Brock A Griffin, Michelle F Elmore, Lisa Kriese-Anderson, Joshua B Elmore, Paul W Dyce, Soren P Rodning, Fernando H Biase
BACKGROUND: Infertility is a longstanding limitation in livestock production with important economic impact for the cattle industry. Female reproductive traits are polygenic and lowly heritable in nature, thus selection for fertility is challenging. Beef cattle operations leverage estrous synchronization in combination with artificial insemination (AI) to breed heifers and benefit from an early and uniform calving season. A couple of weeks following AI, heifers are exposed to bulls for an opportunity to become pregnant by natural breeding (NB), but they may also not become pregnant during this time period...
February 9, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29422451/influence-of-radiofrequency-electromagnetic-fields-on-the-fertility-system-protocol-for-a-systematic-review-and-meta-analysis
#15
Nasibeh Roozbeh, Fatemeh Abdi, Azadeh Amraee, Zahra Atarodi Kashani, Leili Darvish
BACKGROUND: Due to the increased number of users of mobile phones, tablets, and other devices over the past few years, concerns about the potential impact of mobile phones on health are growing. The influence of mobile phone exposure on male fertility has been studied in recent years. Other research has shown that electromagnetic fields (EMFs) increase macrophages in the corpus luteum and growing follicles. Due to conflicting results among studies and since no systematic review has been performed to analyze the effects of radiofrequency EMF exposure from electronic devices on the fertility system in recent years, this evidence-based study is necessary...
February 8, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29422377/icon-immunoconjugate-treatment-results-in-regression-of-red-lesions-in-a-non-human-primate-papio-anubis-model-of-endometriosis
#16
Demetra Hufnagel, Laura G Goetz, Zhiwei Hu, Atunga Nyachieo, Thomas D'Hooghe, Asgerally Fazleabas, Antoni Duleba, Graciela Krikun, Hugh S Taylor, Charles J Lockwood
Endometriosis is a common condition in reproductive-aged women characterized by ectopic endometrial lesions of varied appearance, including red, white, blue, black or powder burn coloration, which contribute to chronic pain and infertility. The immunoconjugate molecule (Icon) targets Tissue Factor, a transmembrane receptor for Factor VII/VIIa that is aberrantly expressed in the endothelium supporting ectopic endometrial tissue. Icon has been shown to cause regression of endometriosis in a murine model of disease but prior to this study had not been tested in non-human primates...
February 5, 2018: Reproductive Biology
https://www.readbyqxmd.com/read/29418047/the-role-of-mitochondria-in-the-female-germline-implications-to-fertility-and-inheritance-of-mitochondrial-diseases
#17
REVIEW
Marcos Roberto Chiaratti, Bruna Martins Garcia, Karen Freire Carvalho, Thiago Simões Machado, Fernanda Karina Silva da Ribeiro, Carolina Habermann Macabelli
Mitochondria play a fundamental role during development of the female germline. They are fragmented, round and small. Despite these characteristics suggesting that they are inactive, there is accumulating evidence that mitochondrial dysfunctions are a major cause of infertility and generation of aneuploidies in humans. In addition, mitochondria and their own genomes (mitochondrial DNA - mtDNA) may become damaged with time, which might be one reason why aging leads to infertility. As a result, mitochondria have been proposed as an important target for evaluating oocyte and embryo quality, and developing treatments for female infertility...
February 8, 2018: Cell Biology International
https://www.readbyqxmd.com/read/29417282/conventional-in-vitro-fertilization-ivf-or-intracytoplasmic-sperm-injection-icsi-which-is-preferred-for-advanced-age-patients-with-five-or-fewer-oocytes-retrieved
#18
Hui Liu, Haibin Zhao, Guanling Yu, Mei Li, Shuiying Ma, Haozhen Zhang, Keliang Wu
PURPOSE: To investigate the clinical outcomes of conventional IVF and ICSI in female patients aged 40 years and over with no more than five oocytes retrieved and non-male factor infertility. METHODS: A retrospective study of a cohort of 644 patients undergoing IVF/ICSI treatment. The 534 female patients aged ≧ 40 years with no more than five oocytes retrieved and non-male factor infertility undergoing their first conventional IVF cycles were assigned in IVF group...
February 7, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29415732/maternal-physical-activity-before-ivf-icsi-cycles-improves-clinical-pregnancy-rate-and-live-birth-rate-a-systematic-review-and-meta-analysis
#19
REVIEW
Meng Rao, Zhengyan Zeng, Li Tang
OBJECTIVE: This meta-analysis was aimed to evaluate the association between maternal physical activity before IVF/ICSI cycles and reproductive outcomes. METHODS: We searched databases of PubMed, EMBASE and Web of Science electronic databases, and ongoing trials up to November 2017 to identify studies that focused on the relationship between maternal physical activity before IVF/ICSI cycles and reproductive outcomes, including implantation rate, clinical pregnancy rate, miscarriage rate and live birth rate...
February 7, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29408237/chromatin-modification-and-global-transcriptional-silencing-in-the-oocyte-mediated-by-the-mrna-decay-activator-zfp36l2
#20
Jennifer N Dumdie, Kyucheol Cho, Madhuvanthi Ramaiah, David Skarbrevik, Sergio Mora-Castilla, Deborah J Stumpo, Jens Lykke-Andersen, Louise C Laurent, Perry J Blackshear, Miles F Wilkinson, Heidi Cook-Andersen
Global transcriptional silencing is a highly conserved mechanism central to the oocyte-to-embryo transition. We report the unexpected discovery that global transcriptional silencing in oocytes depends on an mRNA decay activator. Oocyte-specific loss of ZFP36L2 an RNA-binding protein that promotes AU-rich element-dependent mRNA decay prevents global transcriptional silencing and causes oocyte maturation and fertilization defects, as well as complete female infertility in the mouse. Single-cell RNA sequencing revealed that ZFP36L2 downregulates mRNAs encoding transcription and chromatin modification regulators, including a large group of mRNAs for histone demethylases targeting H3K4 and H3K9, which we show are bound and degraded by ZFP36L2...
February 5, 2018: Developmental Cell
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