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Implantation infertility

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https://www.readbyqxmd.com/read/29788175/prevalence-of-xxy-karyotypes-in-human-blastocysts-multicentre-data-from-7549-trophectoderm-biopsies-obtained-during-preimplantation-genetic-testing-cycles-in-ivf
#1
Rossella Mazzilli, Danilo Cimadomo, Laura Rienzi, Antonio Capalbo, Paolo Emanuele Levi Setti, Claudia Livi, Damiano Vizziello, Carlo Foresta, Alberto Ferlin, Filippo Maria Ubaldi
STUDY QUESTION: Which is the prevalence of a 47,XXY karyotype in human blastocysts biopsied during preimplantation genetic testing for aneuploidies (PGT-A) cycles? SUMMARY ANSWER: The prevalence of a 47,XXY karyotype amongst male blastocysts without autosomal aneuploides is ~1%. WHAT IS KNOWN ALREADY: The prevalence of Klinefelter syndrome is estimated as 0.1-0.2% in male newborns. However, the KS phenotype is extremely variable and there are men with a 47,XXY karyotype and less evident signs, who may go undetected...
May 19, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29778382/comparison-of-the-prevalence-of-chronic-endometritis-as-determined-by-means-of-different-diagnostic-methods-in-women-with-and-without-reproductive-failure
#2
Yingyu Liu, Xiaoyan Chen, Jin Huang, Chi-Chiu Wang, Mei-Yung Yu, Susan Laird, Tin-Chiu Li
OBJECTIVE: To compare the prevalence of chronic endometritis (CE) when different diagnostic methods are used. DESIGN: Prospective observational study. SETTING: University-affiliated hospital. PATIENT(S): Four groups of women were studied, including women with proven fertility (Fertile; n = 40), unexplained recurrent miscarriage (RM; n = 93), recurrent implantation failure (RIF; n = 39), and infertile subjects undergoing endometrial scratch in a natural cycle preceding frozen-thawed embryo transfer (Infertility; n = 48)...
May 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29777145/testicular-sperm-is-superior-to-ejaculated-sperm-for-icsi-in-cryptozoospermia-an-update-systematic-review-and-meta-analysis
#3
Yi-No Kang, Ya-Wen Hsiao, Chien-Yu Chen, Chien-Chih Wu
Intracytoplasmic sperm injection (ICSI) is well established and provides patients with severely impaired sperm quality with an opportunity to father a child. However, previous studies do not clearly indicate whether male with cryptozoospermia should use testicular sperm or ejaculated sperm for ICSI. The newest systematic review of this topic also gave a controversial conclusion that was based on incorrect pooling result. Moreover, two clinical studies published after the systematic review. In the present update systematic review and meta-analysis, a comprehensive citation search for relevant studies was performed using the Cochrane library databases, Embase, Ovid MEDLINE, PubMed, ScienceDirect, Scopus, and Web of Science up to September 2017...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29762665/mir-194-3p-represses-the-progesterone-receptor-and-decidualization-in-eutopic-endometrium-from-women-with-endometriosis
#4
Tianjiao Pei, Chang Liu, Tingting Liu, Li Xiao, Bin Luo, Jing Tan, Xueying Li, Guojun Zhou, Changling Duan, Wei Huang
Progesterone resistance in the eutopic endometrium (EuE) is suggested to be a critical factor for decreased endometrial receptivity and implantation failure in reproductive-aged women with endometriosis. Altered expression of miRNAs has been reported to play an important role in the pathophysiology of endometriosis-associated infertility. However, the underlying mechanisms of aberrant progesterone receptor (PR) and deficient decidualization regulated by miRNAs in endometriosis have not been thoroughly elucidated...
May 11, 2018: Endocrinology
https://www.readbyqxmd.com/read/29737471/does-the-endometrial-receptivity-array-really-provide-personalized-embryo-transfer
#5
Rawad Bassil, Robert Casper, Nivin Samara, Tzu-Bou Hsieh, Eran Barzilay, Raoul Orvieto, Jigal Haas
PURPOSE: The aim of the present study was to determine the percentage of infertility patients who are diagnosed with a non-receptive endometrium according to the endometrial receptivity array (ERA) test and to examine whether adjusting the embryo transfer day according to the proposed shift in the window of implantation improves the pregnancy rate compared to non-ERA-tested patients. METHODS: A single-center retrospective cohort study, including 53 consecutive good prognosis patients (0-2 previous frozen embryo transfers) admitted to our IVF unit for a mock cycle prior to their frozen day-5 embryo (blastocyst) transfer cycle...
May 8, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29727537/-testicular-histology-does-not-affect-the-clinical-outcomes-of-icsi-in-men-with-non-obstructive-azoospermia
#6
Yan-Rong Kuai, Zhan-Ju He, Sheng Wang, Kai Zhang, Cheng Zeng, Liang Chen, Qing Xue, Jing Shang, Hui-Xia Yang, Yang Xu
Objective: To investigate whether testicular histology influences the clinical outcomes of intracytoplasmic sperm injection (ICSI) in men with non-obstructive azoospermia (NOA). METHODS: We retrospectively analyzed the clinical data about 73 cases of NOA undergoing ICSI, including 105 ICSI cycles and 79 embryo transfer cycles. The infertility of the patients was attributed to male factors only or both male and female tube factors and the females' age was ≤38 years...
October 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29716588/prostaglandin-e2-involvement-in-mammalian-female-fertility-ovulation-fertilization-embryo-development-and-early-implantation
#7
REVIEW
Jean Damascene Niringiyumukiza, Hongcai Cai, Wenpei Xiang
BACKGROUND: Infertility in mammalian females has been a challenge in reproductive medicine. The causes of female infertility include anovulation, ovulated oocyte defects, abnormal fertilization, and insufficient luteal support for embryo development, as well as early implantation. Ovulation induction, in vitro fertilization and luteal support regimens have been performed for decades to increase fertility rates. The identification of proteins and biochemical factors involved in female reproduction is essential to further increase female fertility rates...
May 1, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29708103/retrospective-study-to-compare-frozen-thawed-embryo-transfer-with-fresh-embryo-transfer-on-pregnancy-outcome-following-intracytoplasmic-sperm-injection-for-male-infertility
#8
Xue Wang, Huan Wu, Xiaojin He, Huanhuan Jiang, Longmei Wu, Yuping Xu, Ping Zhou, Zhaolian Wei, Yunxia Cao
BACKGROUND With the development of assisted reproductive technology, there is increasing evidence that frozen-thawed (FT) embryo transfer achieves a better outcome when compared with fresh embryo transfer in different types of infertile individuals. This aim of this study was to investigate the effect of FT embryo transfer for intracytoplasmic sperm injection (ICSI) on pregnancy outcome in assisted reproductive technology for male infertility. MATERIAL AND METHODS A total of 516 embryo transfer cycles (286 fresh embryo transfer cycles and 230 FT embryo transfer cycles) were studied, in which ICSI treatment was performed for the first time because of male infertility...
April 30, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29694619/functional-magnetic-resonance-imaging-for-clinical-evaluation-of-uterine-contractility
#9
Vinicius Adami Vayego Fornazari, Stela Adami Vayego, Denis Szejnfeld, Jacob Szejnfeld, Suzan Menasce Goldman
Uterine contractility out of the gestational phase, during the menstrual cycle and the habitual functional variations of the organ, this is one of the responsible mechanisms for reproduction and fertility, due to its direct action in the mechanisms conducting the spermatozoa to the ovule and in the decidual implantation. Pathologies such as uterine leiomyoma, endometriosis, adenomyosis, polycystic ovarian syndrome, as well as the use of intrauterine devices and oral contraceptives, may alter a functionality of uterine contractility...
2018: Einstein
https://www.readbyqxmd.com/read/29688404/heparan-sulfate-proteoglycan-sulfation-regulates-uterine-differentiation-and-signaling-during-embryo-implantation
#10
Yan Yin, Adam Wang, Li Feng, Yu Wang, Hong Zhang, Ivy Zhang, Brent Bany, Liang Ma
To prepare for embryo implantation, uterus must undergo a series of reciprocal interactions between the uterine epithelium and the underlying stroma, which are orchestrated by ovarian hormones. During this process, multiple signaling pathways are activated to direct cell proliferation and differentiation, which render the uterus receptive to the implanting blastocysts. One important modulator of these signaling pathways is the cell surface and extracellular matrix macromolecules, heparan sulfate proteoglycans (HSPGs)...
April 23, 2018: Endocrinology
https://www.readbyqxmd.com/read/29681715/can-intracytoplasmic-morphologically-selected-spermatozoa-injection-be-used-as-first-choice-of-treatment-for-severe-male-factor-infertility-patients
#11
Geeta Goswami, Meeta Sharma, Deepika Jugga, Devi M Gouri
Aim: This study was carried out to assess the outcome of the intracytoplasmic morphologically selected sperm injection (IMSI) technique compared with the previous failed intracytoplasmic sperm injection (ICSI) attempts in oligoasthenoteratozoospermia (OAT)/severe OAT (SOAT)/teratozoospermia patients. Setting: Institution-based, in vitro fertilization center. Study Design: It was a nonrandomized prospective study including 57 couples who had previous one or two ICSI failures (failure due to no implantation as embryos were transferred in these cycles and had no pregnancy) due to male factor...
January 2018: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29679980/parental-genetic-material-and-oxygen-concentration-affect-hatch-dynamics-of-mouse-embryo-in-vitro
#12
Shaoquan Zhan, Shanbo Cao, Hongzi Du, Yuan Sun, Li Li, Chenhui Ding, Haiyan Zheng, Junjiu Huang
BACKGROUND: Hatching is crucial for mammalian embryo implantation, since difficulties during this process can lead to implantation failure, ectopic pregnancy and consequent infertility. Despite years of intensive researches, how internal and external factors affecting embryo hatch are still largely unclear. METHODS: The effects of parental genetic material and oxygen concentration on hatch process were examined. Fertilized and parthenogenetic mouse preimplantation embryos were cultured in vitro under 5 and 20% oxygen for 120 h...
April 21, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29673675/the-association-between-in-vitro-fertilization-outcome-and-the-inflammatory-markers-of-complete-blood-count-among-nonobese-unexplained-infertile-couples
#13
Esra Nur Tola
OBJECTIVE(S): The purpose of our study was to evaluate whether the inflammatory parameters of complete blood count (CBC), including white blood cell (WBC), neutrophil-to-lymphocyte-ratio (NLR), platelet-to-lymphocyte-ratio (PLR), and mean platelet volume (MPV), had potential roles in the etiopathogenesis of unexplained infertility (UI) among nonobese women. We also aimed to investigate whether there could be an association between these markers and in vitro fertilization (IVF) success among nonobese women with UI...
April 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29670406/effect-of-clomiphene-citrate-on-uterine-hemodynamics-in-women-with-unexplained-infertility
#14
Eman Omran, Mohamed El-Sharkawy, Akmal El-Mazny, Mohamed Hammam, Wafaa Ramadan, Dina Latif, Dalia Samir, Sherine Sobh
Purpose: The aim of the study was to evaluate the effect of clomiphene citrate on uterine artery blood flow using pulsed Doppler and endometrial and subendometrial micro vascularization using 3D power Doppler in unexplained infertility. Patients and methods: In a prospective observational study at a university teaching hospital, the mid-luteal (peri-implantation) endometrial thickness and volume, uterine artery pulsatility index (PI) and resistance index (RI), endometrial and subendometrial vascularization index (VI), flow index (FI), and vascularization flow index (VFI), and serum estradiol and progesterone levels were compared between natural and clomiphene citrate stimulated cycles in the same group of 50 patients with unexplained infertility...
2018: International Journal of Women's Health
https://www.readbyqxmd.com/read/29663073/ultra-structure-of-the-sperm-head-to-tail-linkage-complex-in-the-absence-of-the-spermatid-specific-linc-component-spag4
#15
Kefei Yang, Ibrahim M Adham, Andreas Meinhardt, Sigrid Hoyer-Fender
Tight connection between sperm head and tail is crucial for the transport of the male genome and fertilization. The linkage complex, the sperm head-to-tail coupling apparatus (HTCA), originates from the centrosome and anchors to the nuclear membrane. In contrast to its ultra-structural organization, which is already well known for decades, its protein composition largely still awaits future deciphering. SUN-domain proteins are essential components of a complex that links the cytoskeleton to the peripheral nucleoskeleton, which is the nuclear lamina...
April 16, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29651940/proteomics-in-human-assisted-reproduction
#16
Mauro Bibancos De Rose, Mariana Moraes Piccolomini
Assisted reproduction techniques (ART) have significantly advanced since the first successful in vitro fertilization (IVF). However, most in vitro-produced embryos fail to implant. Key steps in ART are the correct infertility diagnosis, in order to manage the individual treatments, and the assessment of gamete and embryo viability, to identify the embryo with the best implantation potential. Non-invasive approaches to correctly diagnose infertility and to access embryo development potential have the advantages of increasing the knowledge of embryo physiology, therefore allowing the development of methods to predict developmental competence and viability...
April 12, 2018: Protein and Peptide Letters
https://www.readbyqxmd.com/read/29648896/does-the-dysregulation-of-matrix-metalloproteinases-contribute-to-recurrent-implantation-failure
#17
Mustapha Benkhalifa, Yosra Zayani, Véronique Bach, Henri Copin, Moncef Feki, Moncef Benkhalifa, Monia Allal-Elasmi
The progress in in vitro fertilization (IVF) techniques for infertility management has led to the investigation of embryo implantation site proteins such as Matrix metalloproteinases (MMPs), which may have a key role in embryo-endometrium crosstalk and in the molecular mechanisms of the embryo implantation. Areas covered: Numerous studies have generated much information concerning the relation between the different proteins at the site of implantation such as cytokines, growth factors, adhesion molecules and MMPs...
April 12, 2018: Expert Review of Proteomics
https://www.readbyqxmd.com/read/29624291/neonatal-genistein-exposure-and-glucocorticoid-signaling-in-the-adult-mouse-uterus
#18
Shannon D Whirledge, Edwina P Kisanga, Robert H Oakley, John A Cidlowski
BACKGROUND: Female reproductive tract development is sensitive to the endocrine-disrupting potential of environmental estrogens. Early-life exposure to the dietary phytoestrogen genistein impairs fertility and persistently alters the transcriptome in the oviduct and uterus of rodents. Glucocorticoid signaling, which has recently been shown to be essential for normal fertility in the female mouse uterus, is antagonized by genistein. OBJECTIVE: Our goal was to determine whether early-life exposure to genistein disrupts glucocorticoid signaling in the mouse uterus, which may contribute to infertility...
April 5, 2018: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29617817/decreased-pecam1-mediated-tgf-%C3%AE-1-expression-in-the-mid-secretory-endometrium-in-women-with-recurrent-implantation-failure
#19
Feng Guo, Chenchen Si, Mingjuan Zhou, Jingwen Wang, Dan Zhang, Peter C K Leung, Bufang Xu, Aijun Zhang
STUDY QUESTION: Is recurrent implantation failure (RIF) associated with decreased expression of platelet and endothelial cell adhesion molecule 1 (PECAM1) and transforming growth factor β1 (TGF-β1) in the endometrium during the implantation window? SUMMARY ANSWER: The present study demonstrates that the expression of PECAM1 and TGF-β1 is significantly decreased in the mid-secretory endometrium in women with RIF, which may account for embryo implantation failure...
March 30, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29605410/environmentally-relevant-levels-of-bisphenol-a-affect-uterine-decidualization-and-embryo-implantation-through-the-estrogen-receptor-serum-and-glucocorticoid-regulated-kinase-1-epithelial-sodium-ion-channel-%C3%AE-subunit-pathway-in-a-mouse-model
#20
Mu Yuan, Minhao Hu, Yiyun Lou, Qijing Wang, Luna Mao, Qitao Zhan, Fan Jin
OBJECTIVE: To investigate whether bisphenol A (BPA) exposure is associated with uterine decidualization and embryo implantation failure in mice. DESIGN: Experimental animal study and in vitro study. SETTING: University-based infertility center. ANIMAL(S): ICR mice. INTERVENTION(S): Mice treated with different doses of BPA; Ishikawa cells cultured in medium of different concentrations of BPA. MAIN OUTCOME MEASURE(S): Embryo implantation sites, uterine weight, quantitative real-time reverse transcriptase-polymerase chain reaction, Western blot analysis, hematoxylin and eosin staining, and immunohistochemical, cell proliferation, and statistical analyses...
April 2018: Fertility and Sterility
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