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https://www.readbyqxmd.com/read/28436055/implantation-window-and-angiogenesis
#1
Mostafa Peyvandi Karizbodagh, Bahman Rashidi, Amirhossein Sahebkar, Aria Masoudifar, Hamed Mirzaei
In recent decades, infertility is one of the health problems worldwide. One of the most crucial events in reproductive period is implantation window (IW). In the time after IW period, the embryo cannot connect to the endometrium; therefore the most critical issue for successful implantation is timely entrance of embryo to the uterine cavity during the IW. Implantation failure is responsible for many cases of infertility and is the most important limiting factor for achieving a successful outcome using the assisted reproductive techniques (ART)...
April 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28434104/mullerian-dysgenesis-a-critical-review-of-the-literature
#2
REVIEW
Souzana Choussein, Dimitrios Nasioudis, Dimitrios Schizas, Konstantinos P Economopoulos
PURPOSE: To present an update of the genetic, clinical, diagnostic, and therapeutic aspects of Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome. METHODS: Studies were considered eligible if they have evaluated patients with MRKH syndrome. Eligible articles were identified by a search of MEDLINE bibliographical database from 1950 to August 2016. A purely descriptive approach was adopted concerning all outcomes examined by the individual studies. RESULTS: MRKH syndrome is defined as congenital aplasia of the upper vagina and impairment of uterine development in normal 46XX females...
April 22, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28429340/controlled-prospective-observational-study-on-the-efficiency-and-tolerability-of-a-combination-of-potential-nrf2-inducing-antioxidants-and-micronutrients-as-pre-treatment-for-icsi-in-dyspermic-patients-with-previous-failure
#3
R Rago, M Gallo, A Dal Lago, E Licata, G Paciotti, M Amodei, C Meneghini, C Fabiani, G Dani, C Liberanome, D Antonaci, R Corno, D Miriello, G Giuffrida, B Giammusso
OBJECTIVE: To evaluate the efficiency of pre-treatment in dyspermic males in IVF couples with a combination of micronutrients, for the purpose of improving the fertilization rate, the implantation rate and the outcome of the pregnancy. PATIENTS AND METHODS: This controlled prospective clinical study was performed in two medically assisted reproduction centers. 59 males with mild oligo-astheno-teratospermia (OAT) were admitted to the study. All of them had a history of previous in vitro fertilization (IVF) attempts with female partners aged < 40 diagnosed having tubal or idiopathic infertility...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28421509/appendix-e-rapid-i-tm-closed-vitrification-device-by-vitrolife
#4
Mark G Larman
Cryopreservation of gametes and embryos is a growing technique in numerous reproductive fields including human-assisted reproduction. With improved understanding of embryo physiology and optimized culture conditions, there are now more embryos than ever to vitrify for potential use in subsequent cycles. Many gametes and embryos have been cryopreserved in open systems, but there are concerns with regard to contamination from the liquid nitrogen and also cross-contamination between patients' germplasm. The development of the Rapid-i™, a closed vitrification device that does not use direct contact with liquid nitrogen during vitrification or subsequent storage, will be discussed as well as clinical protocols for human oocytes and embryos...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28421497/chapter-13-human-ovarian-tissue-vitrification
#5
Sherman Silber
Ovarian freezing and transplantation has garnered increasing interest as a potential way of preserving fertility in cancer patients as well as for women who just wish to delay childbearing. This chapter spells out our techniques of ovarian cortex vitrification and results for frozen compared to fresh ovarian cortex transplantation (in one single series from one center for the sake of consistency), as well as potentially provides insight into the mechanism behind ovarian follicle recruitment. This represents an effort to simplify and popularize an approach that has yielded favorable results (all cases recovered ovulation and 75% had successful spontaneous pregnancy) in one single, disciplined study...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28421489/chapter-5-slow-freezing-of-human-sperm
#6
Ashok Agarwal, Eva Tvrda
Cryopreservation of human spermatozoa is a highly efficient procedure for managing male fertility, and much of its successful application seems to have a crucial impact on the reproductive outcome of assisted reproduction technologies. Here, we present, explain, and describe the slow freezing method for preserving human spermatozoa, which is currently the most commonly used freezing technique in most clinical andrology laboratories.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28420500/does-different-bmi-influence-oocyte-and-embryo-quality-by-inducing-fatty-acid-in-follicular-fluid
#7
Parvaneh Mirabi, Mohammad Javad Chaichi, Sedighe Esmaeilzadeh, Seyed Gholam Ali Jorsaraei, Ali Bijani, Mahjobeh Ehsani
OBJECTIVE: We aimed to assess the effects of obesity-related follicular fluid (FF) fatty acids (FAs) on the number and quality of oocytes, good embryo quality rate, and pregnancy rate. MATERIALS AND METHODS: This prospective cohort study was conducted on 105 infertile women under the age of 38, who underwent intracytoplasmic sperm injection (ICSI) from March 2015 to October 2015. They were grouped into three body mass index (BMI) categories. The fatty acids composition of the FF was analyzed by GC-MS head space method...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28417052/relationship-between-meiotic-spindles-visualization-and-intracytoplasmic-sperm-injection-outcomes-in-human-oocytes
#8
Elham Asa, Reza Tabatabaee, Ahmad Farrokhi, Reza Nejatbakhsh
In assisted reproductive techniques, the operator attempts to select morphologically best embryos to predict embryo viability. Development of polarized light microscope, which evaluates the oocytes' spindles according to birefringence of living cells, had been helpful in oocyte selection. The aim of this study is evaluating the relationship between meiotic spindles visualization and intracytoplasmic sperm injection (ICSI) outcomes in human oocytes. In this study, 264 oocytes from 24 patients with an average age of 30...
March 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28410225/sentinel-lymph-node-mapping-in-endometrial-cancer-a-systematic-review-and-meta-analysis
#9
REVIEW
Hefeng Lin, Zheyuan Ding, Vishnu Goutham Kota, Xiaoming Zhang, Jianwei Zhou
Endometrial cancer is the most frequent tumor in the female reproductive system, while the sentinel lymph node (SLN) mapping for diagnostic efficacy of endometrial cancer is still controversial. This meta-analysis was conducted to evaluate the diagnostic value of SLN in the assessment of lymph nodal involvement in endometrial cancer. Forty-four studies including 2,236 cases were identified. The pooled overall detection rate was 83% (95% CI: 80-86%). The pooled sensitivity was 91% (95% CI: 87-95%). The bilateral pelvic node detection rate was 56% (95% CI: 48-64%)...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410128/genomics-tool-to-predict-and-prevent-male-infertility
#10
Ashutosh Halder, Prashant Kumar, Manish Jain, Amanpreet Kaur Kalsi
A large number of human diseases arise as a result of genetic abnormalities. With the advent of improved molecular biology techniques, the genetic etiology of male infertility is increasing. The common genetic factors responsible for male infertility are chromosomal abnormalities, Yq microdeletion and cystic fibrosis. These are responsible for approximately 30 percent cases of male infertility. About 40 percent cases of male infertility are categorized as idiopathic. These cases may be associated with genetic and genomic abnormalities...
June 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28410062/role-of-imaging-in-the-evaluation-of-male-infertility
#11
Pardeep K Mittal, Brent Little, Peter A Harri, Frank H Miller, Lauren F Alexander, Bobby Kalb, Juan C Camacho, Viraj Master, Matthew Hartman, Courtney C Moreno
Infertility is defined herein as the inability to achieve pregnancy after frequently engaging in unprotected sexual intercourse for 1 year. Among infertile couples, the cause of infertility involves the male partner in approximately 50% of cases. Male infertility is usually caused by conditions affecting sperm production, sperm function, or both, or blockages that prevent the delivery of sperm. Chronic health problems, injuries, lifestyle choices, anatomic problems, hormonal imbalances, and genetic defects can have a role in male infertility...
April 14, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28407862/lipid-profiles-of-follicular-fluid-from-cows-submitted-to-ovarian-superstimulation
#12
P H Santos, P K Fontes, F F Franchi, M F G Nogueira, K R A Belaz, A Tata, M N Eberlin, M J Sudano, C M Barros, A C S Castilho
Ovarian superstimulation with exogenous gonadotropins has been extensively used to produce in vivo-derived embryos for embryo transfer in cattle. This process modifies the antral follicle microenvironment and affects oocyte and embryo quality as well the differentiation of granulosa cells. Lipids play significant roles in the cell, such as energy storage, cell structure, and fine-tuning of the physical properties and functions of biological membranes. The phospholipid (PL) contents as well as the effects of superstimulatory treatments on the PL profile of follicular fluid from cows, however, remain unknown...
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28402059/molecular-markers-of-putative-spermatogonial-stem-cells-in-the-domestic-cat
#13
S J Bedford-Guaus, S Kim, L Mulero, J M Vaquero, C Morera, R Adan-Milanès, A Veiga, Á Raya
Spermatogonial stem cells (SSCs) are an important tool for fertility preservation and species conservation. The ability to expand SSCs by in vitro culture is a crucial premise for their use in assisted reproduction. Because SSCs represent a small proportion of the germ cells in the adult testis, culture success is aided by pre-enrichment through sorting techniques based on cell surface-specific markers. Given the importance of the domestic cat as a model for conservation of endangered wild felids, herein we sought to examine culture conditions as well as molecular markers for cat SSCs...
April 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28398407/-reflections-on-treatments-for-infertility-and-the-possible-occurrence-of-ovarian-carcinomas
#14
Giovanna Ferranti, Romana Prosperi Porta, Valentina Lucia La Rosa, Salvatore Giovanni Vitale, Antonio Simone Laganà
In the last decade the use of assisted reproduction techniques (ART) significantly increased and, due to the improved quality of the procedures and management of patients, it has led to progressively better outcomes. In parallel, the latest literature data show an increased incidence of ovarian cancer, that to date does not have a protocol with high sensitivity and specificity for early diagnosis. Considering the accumulating evidence about the etiology of ovarian cancer, it has been postulated a correlation between the increasing use of necessary and propaedeutic pharmacological treatments for ART and the increased incidence of this tumor...
March 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28396487/culture-time-of-vitrified-warmed-zygotes-before-microinjection-affects-the-production-efficiency-of-crispr-cas9-mediated-knock-in-mice
#15
Yoshiko Nakagawa, Tetsushi Sakuma, Norihisa Nishimichi, Yasuyuki Yokosaki, Toru Takeo, Naomi Nakagata, Takashi Yamamoto
Robust reproductive engineering techniques are required for the efficient and rapid production of genetically modified mice. We have reported the efficient production of genome-edited mice using reproductive engineering techniques, such as ultra-superovulation, in vitro fertilization (IVF) and vitrification/warming of zygotes. We usually use vitrified/warmed fertilized oocytes created by IVF for microinjection because of work efficiency and flexible scheduling. Here, we investigated whether the culture time of zygotes before microinjection influences the efficiency of producing knock-in mice...
April 10, 2017: Biology Open
https://www.readbyqxmd.com/read/28386738/manufacturing-of-recombinant-human-follicle-stimulating-hormone-ovaleap-%C3%A2-xm17-comparability-with-gonal-f-%C3%A2-and-performance-consistency
#16
Rainer Winstel, Juergen Wieland, Beate Gertz, Arnd Mueller, Hermann Allgaier
Ovaleap(®) (XM17) is a recombinant human follicle-stimulating hormone to treat infertility by inducing ovulation or controlled ovarian stimulation for assisted reproductive technology (ART) procedures. Ovaleap(®) (follitropin-α) was approved by the European Medicines Agency in 2013 as a biosimilar medicinal product to the reference medicine, Gonal-f(®). Information is often not easily accessible and/or publicly available regarding the rigorous manufacturing procedures for biosimilars. Objectives of the current analysis were to report on validation procedures for the Ovaleap(®) manufacturing process, to compare the characteristics of Ovaleap(®) versus Gonal-f(®), and to describe the performance and consistency of Ovaleap(®)...
April 6, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28381082/embryo-transfer-a-review-of-timing-and-techniques
#17
Pietro Bortoletto, Jennifer Bakkensen, Raymond M Anchan
Since the first successful human in vitro fertilization (IVF) pregnancy nearly 40 years ago, remarkable progress has been made in assisted reproductive technology (ART). Improvements in oocyte retrieval, embryo culture, genetic screening, and embryo selection have contributed to dramatic improvements in IVF outcomes. A more robust understanding of embryologic development has driven innovation in not only the timing of embryo transfer but also the number of embryos to transfer. Additionally, overcoming the technical hurdle of embryo vitrification has given both physicians and patients several benefits including the flexibility to mitigate effects of superovulation on the endometrium, limit the number of embryos transferred, afforded an opportunity to screen the quality of embryos both by evaluating in vitro development as well as preimplantation genetic testing...
April 4, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28374410/intrapartum-and-neonatal-outcomes-in-singleton-pregnancies-following-conception-by-assisted-reproduction-techniques
#18
Kellie M Rozdarz, Christopher J Flatley, Sailesh Kumar
BACKGROUND: To characterise maternal demographics and ascertain whether clinically important differences exist in the intrapartum and neonatal outcomes associated with assisted reproductive technology (ART). MATERIALS AND METHODS: A retrospective study was undertaken between January 2007 and December 2013 of all singleton pregnancies conceived via ART at a major tertiary unit in Brisbane, Australia. Intrapartum outcomes were mode of delivery and indication for emergency caesarean...
April 3, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28366408/embryo-transfer-techniques-an-american-society-for-reproductive-medicine-survey-of-current-society-for-assisted-reproductive-technology-practices
#19
Thomas L Toth, Malinda S Lee, Kristin A Bendikson, Richard H Reindollar
OBJECTIVE: To better understand practice patterns and opportunities for standardization of ET. DESIGN: Cross-sectional survey. SETTING: Not applicable. PATIENT(S): Not applicable. INTERVENTION(S): An anonymous 82-question survey was emailed to the medical directors of 286 Society for Assisted Reproductive Technology member IVF practices. A follow-up survey composed of three questions specific to ET technique was emailed to the same medical directors...
April 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28361501/fertility-care-interventions-should-be-provided-as-the-first-line-options-for-hiv-serodiscordant-couples-who-desire-children-in-settings-with-affordable-access-to-care-regardless-of-their-fertility-status
#20
Lauren Zakarin Safier, Mark V Sauer
INTRODUCTION: With increasing life expectancy, couples with at least one partner afflicted with HIV are more commonly pursuing the opportunity to have biologic offspring. Currently, there are no universally accepted recommendations regarding first line reproductive treatments for HIV serodiscordant couples lacking a history of infertility. We strongly believe that fertility care intervention should be the first line treatment, when affordably accessible, over natural conception for HIV serodiscordant couples to achieve pregnancy in a safe and efficacious manner...
March 8, 2017: Journal of the International AIDS Society
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