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Implantation infertility

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https://www.readbyqxmd.com/read/28540437/volatile-organic-compounds-and-good-laboratory-practices-in-the-in-vitro-fertilization-laboratory-the-important-parameters-for-successful-outcome-in-extended-culture
#1
Nupur Agarwal, Ratna Chattopadhyay, Sanghamitra Ghosh, Arpita Bhoumik, S K Goswami, Baidyanath Chakravarty
PURPOSE: This study aims to describe the role of implementing good laboratory practices to improve in vitro fertilization (IVF) outcomes which are of great interest for practitioners dealing with infertility. METHODS: Certain modifications were introduced in May 2015 in our IVF laboratory like high-efficiency particulate air CODA system, steel furniture instead of wooden, use of new disinfectants like oosafe, and restriction of personnel entry along with avoidance of cosmetics like perfume to improve pregnancy rates...
May 24, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28540311/impacts-of-anti-dsdna-antibody-on-in-vitro-fertilization-embryo-transfer-and-frozen-thawed-embryo-transfer
#2
Jiao Fan, Yiping Zhong, Cuina Chen
Our purpose is to explore whether anti-dsDNA antibody, which was demonstrated to enter living cells and induced apoptosis, could adversely affect reproductive outcomes. A total of 259 women receiving the in vitro fertilization-embryo transfer (IVF) cycle were enrolled in this study, including 52 women with positive ANA and anti-dsDNA (ANA+/anti-dsDNA+ group), 86 women with positive ANA and negative anti-dsDNA (ANA+/anti-dsDNA- group), and 121 women with negative ANA and anti-dsDNA (ANA-/anti-dsDNA- group). 136 nonpregnant women among 259 patients in the IVF-ET cycle were enrolled in the hormone replacement therapy frozen-thawed embryo transfer (HRT-TET) cycle...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28523198/uterine-fibroid-torsion-during-pregnancy-a-case-of-laparotomic-myomectomy-at-18-weeks-gestation-with-systematic-review-of-the-literature
#3
Annachiara Basso, Mariana Rita Catalano, Giuseppe Loverro, Serena Nocera, Edoardo Di Naro, Matteo Loverro, Mariateresa Natrella, Salvatore Andrea Mastrolia
Uterine myomas are the most common benign growths affecting female reproductive system, occurring in 20-40% of women, whereas the incidence rate in pregnancy is estimated from 0.1 to 3.9%. The lower incidence in pregnancy is due to the association with infertility and low pregnancy rates and implantation rates after in vitro fertilization treatment. Uterine myomas, usually, are asymptomatic during pregnancy. However, occasionally, pedunculated fibroids torsion or other superimposed complications may cause acute abdominal pain...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28505290/supraphysiologic-estradiol-is-an-independent-predictor-of-low-birth-weight-in-full-term-singletons-born-after-fresh-embryo-transfer
#4
N Pereira, R T Elias, P J Christos, A C Petrini, K Hancock, J P Lekovich, Z Rosenwaks
STUDY QUESTION: Is supraphysiologic estradiol (E2) an independent predictor of low birth weight (LBW) in singletons born after fresh IVF-embryo transfer (ET) cycles? SUMMARY ANSWER: Our results suggest that E2 > 2500 pg/ml is an independent predictor for LBW in full-term singletons born to normal responder patients undergoing fresh IVF-ET cycles. WHAT IS KNOWN ALREADY: The pathogenesis of LBW in IVF singletons remains unknown. However, recent studies have suggested that the hyperestrogenic milieu generated during ovarian stimulation may create a sub-optimal peri-implantation environment, leading to placental dysfunction, and therefore, LBW...
May 13, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28498625/biomechanics-of-the-human-uterus
#5
REVIEW
Kristin M Myers, David Elad
The appropriate biomechanical function of the uterus is required for the execution of human reproduction. These functions range from aiding the transport of the embryo to the implantation site, to remodeling its tissue walls to host the placenta, to protecting the fetus during gestation, to contracting forcefully for a safe parturition and postpartum, to remodeling back to its nonpregnant condition to renew the cycle of menstruation. To serve these remarkably diverse functions, the uterus is optimally geared with evolving and contractile muscle and tissue layers that are cued by chemical, hormonal, electrical, and mechanical signals...
May 12, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28497881/efficacy-of-intrauterine-perfusion-of-granulocyte-colony-stimulating-factor-g-csf-for-infertile-women-with-thin-endometrium-a-systematic-review-and-meta-analysis
#6
Yiran Xie, Tao Zhang, Zhengping Tian, Jiamiao Zhang, Wanxue Wang, Hong Zhang, Yong Zeng, Jianping Ou, Yihua Yang
This meta-analysis aimed to explore the efficiency of intrauterine perfusion of granulocyte colony-stimulating factor (G-CSF) on infertile women with thin endometrium. Following PRISMA protocol, we conducted a comprehensive search of academic literatures on various databases including PubMed, EMbase, and Cochrane Library. Studies published in English before July 1, 2016 were included for primary screening. Data on the thickness of endometrium, cycle cancelation rate,clinical pregnancy rate, and embryo implantation rate were extracted and analyzed, respectively...
May 12, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28480049/discrete-survival-model-analysis-of-a-couple-s-smoking-pattern-and-outcomes-of-assisted-reproduction
#7
Jose C Vanegas, Jorge E Chavarro, Paige L Williams, Jennifer B Ford, Thomas L Toth, Russ Hauser, Audrey J Gaskins
BACKGROUND: Cigarette smoking has been associated with worse infertility treatment outcomes, yet some studies have found null or inconsistent results. METHODS: We followed 225 couples who underwent 354 fresh non-donor assisted reproductive technology (ART) cycles between 2006 and 2014. Smoking history was self-reported at study entry. We evaluated the associations between smoking patterns and ART success using multivariable discrete time Cox proportional hazards models with six time periods: cycle initiation to egg retrieval, retrieval to fertilization, fertilization to embryo transfer (ET), ET to implantation, implantation to clinical pregnancy, and clinical pregnancy to live birth to estimate hazard ratios (HR) and 95% CIs...
2017: Fertility Research and Practice
https://www.readbyqxmd.com/read/28478829/the-use-of-heparin-in-infertility-and-recurrent-pregnancy-loss-are-its-antiviral-properties-at-play
#8
Eva Eliassen, Roberto Marci, Dario Di Luca, Roberta Rizzo
Recently, human herpesvirus 6 (HHV-6) has been implicated in cases of poor pregnancy outcomes. The ability of HHV-6 to disrupt endothelial cell functioning may inhibit the creation of an appropriate uterine environment for implantation and fetal development, resulting in infertility and pregnancy loss, among other complications. Heparin has been used to treat pregnant women who are predisposed to thrombosis, and it has also been used in some women with infertility or recurrent pregnancy loss without associated thrombotic events...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28476282/magnetic-resonance-imaging-of-pelvic-endometriosis
#9
R Méndez Fernández, J Barrera Ortega
Endometriosis is common in women of reproductive age; it can cause pelvic pain and infertility. It is important to diagnose endometriosis and to thoroughly evaluate its extension, especially when surgical treatment is being considered. Magnetic resonance imaging (MRI) with careful examination technique and interpretation enables more accurate and complete diagnosis and staging than ultrasonography, especially in cases of deep pelvic endometriosis. Furthermore, MRI can identify implants in sites that can be difficult to access in endoscopic or laparoscopic explorations...
May 2, 2017: Radiología
https://www.readbyqxmd.com/read/28475617/regulation-of-the-pi3k-akt-pathway-during-decidualization-of-endometrial-stromal-cells
#10
François Fabi, Kathy Grenier, Sophie Parent, Pascal Adam, Laurence Tardif, Valérie Leblanc, Eric Asselin
Infertility is constantly increasing in Canada, where 16% of Canadian couples are experiencing difficulty conceiving. It is thought that infertility can emanate from the dysregulated communication between the embryo and the maternal endometrium. In order to allow for this window of implantation to be open at the right moment, endometrial stromal cells proliferate and differentiate by a mechanism called decidualization. Intracellular and molecular mechanisms involved in the regulation of apoptosis and cell proliferation during decidualization of the endometrium are yet to be fully understood...
2017: PloS One
https://www.readbyqxmd.com/read/28470478/does-aps-impact-women-s-fertility
#11
REVIEW
Cecilia Beatrice Chighizola, Maria Gabriella Raimondo, Pier Luigi Meroni
PURPOSE OF REVIEW: This review focuses on the relationship between anti-phospholipid antibodies (aPL) and female infertility by addressing three key questions: (i) how can aPL induce women's infertility?; (ii) are aPL more prevalent among infertile than fertile women?; (iii) do aPL-positive women display reduced fertility? RECENT FINDINGS: According to experimental data, aPL impair female fertility interfering with endometrial decidualization thus with implantation...
June 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28469921/gonadotrophin-abnormalities-in-an-infant-with-lowe-syndrome
#12
Bronwen E Warner, Carol D Inward, Christine P Burren
SUMMARY: This case, presenting with bilateral impalpable testes, illustrates the relevance of a broad differential disorders of sex development case management. It provides new insights on hypothalamic-pituitary-gonadal (HPG) axis and testicular function abnormalities in the multisystem disorder of Lowe syndrome. Lowe syndrome, also known as oculocerebrorenal syndrome, is a rare disorder characterised by eye abnormalities, central nervous system involvement and proximal renal tubular acidosis...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28466977/immunosuppressive-treatment-using-tacrolimus-promotes-pregnancy-outcome-in-infertile-women-with-repeated-implantation-failures
#13
Koji Nakagawa, Joanne Kwak-Kim, Keiji Kuroda, Rikikazu Sugiyama, Koushi Yamaguchi
PROBLEM: We aim to investigate whether the peripheral blood T helper (Th) 1 cell level could predict pregnancy outcome in patients who have experienced repeated implantation failure (RIF, three or more) after ART cycles. METHOD OF STUDY: This is a prospective cohort study of total 124 women with RIF who showed elevated Th1/Th2 (CD4(+) IFN-γ(+) /CD4(+) IL-4(+) ) cell ratios (≥10.3) and received tacrolimus at Sugiyama Clinic between November 2011 and July 2016...
May 3, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28466814/association-of-leukemia-inhibitory-factor-gene-polymorphism-and-in-vitro-fertilization-outcome-in-a-population-in-northern-iran
#14
M Alipour, F Mashayekhi, Z Salehi
Several studies have been demonstrated that endometrial leukemia inhibitory factor (LIF) is important in embryo implantation. LIF is a secreted glycoprotein with a variety of biological functions including stimulation of cell proliferation, differentiation and survival that are all essential for blastocyete development and implantation. The LIF receptor activates several signaling pathways in diverse cell types, including Jak/STAT, MAPK and PI3-kinase pathways in the endometrium of fertile woman. It has been suggested that the initial lower expression of LIF in proliferative phase may be one of the causes for multiple failure of implantation...
March 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28462402/letrozole-gnrh-antagonist-stimulation-protocol-in-poor-ovarian-responders-undergoing-intracytoplasmic-sperm-injection-cycles-an-rct
#15
Mahbod Ebrahimi, Firouzeh Akbari-Asbagh, Mojgan Ghalandar-Attar
BACKGROUND: Gonadotropin-releasing hormone (GnRH) antagonist protocol has been proposed as a potentially proper option for the patients with limited ovarian reserve. Nevertheless, there is no significant difference in terms of clinical pregnancy between the GnRH antagonist and agonist cycles. The use of aromatase inhibitors such as letrozole was suggested by some studies. OBJECTIVE: The object of this study was to evaluate the efficacy of letrozole co-treatment with GnRH-antagonist protocol in ovarian stimulation of poor responder patients undergoing intracytoplasmic sperm injection...
February 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28447505/does-pituitary-suppression-affect-live-birth-rate-in-women-with-congenital-hypogonadotrophic-hypogonadism-undergoing-intra-cytoplasmic-sperm-injection-a-multicenter-cohort-study
#16
Sezcan Mumusoglu, Baris Ata, Volkan Turan, Berfu Demir, Inci Kahyaoglu, Kiper Aslan, Ayse Seyhan Ata, Bulent Yilmaz, Kayhan Yakin, Berrin Avci, Gurkan Uncu, Gurkan Bozdag
In this retrospective multicenter cohort study, women with congenital hypogonadotrophic hypogonadism (CHH) (n = 57) who underwent intra-cytoplasmic sperm injection in-between 2010-2014 were compared to age-matched controls with tubal factor infertility (n = 114) to assess ovarian stimulation cycle and pregnancy outcomes. Live birth rates (LBRs) per started cycle were 31.6 and 24.6% in CHH and controls groups, respectively (p = 0.36). Comparable success rates were also confirmed with the logistic regression analysis (OR: 1...
April 27, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28446183/effect-of-different-artificial-shrinkage-methods-when-applied-before-blastocyst-vitrification-on-perinatal-outcomes
#17
Caizhu Wang, Guixue Feng, Bo Zhang, Hong Zhou, Jinhui Shu, Ruoyun Lin, Huanhua Chen, Zhulian Wu
BACKGROUND: In recent years, single blastocyst transfer combined with vitrification has been applied widely, which can maximize the cumulative pregnancy rate in per oocyte retrieval cycles and minimize the multiple pregnancy rate. Thus, the guarantee for these is the effectiveness of vitrified blastocyst. Studies has shown that AS of the blastocoel cavity prior to vitrification can reduce injuries, increase the thawed blastocyst survival rate and implantation rate. Several AS methods have been established...
April 26, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28440588/endometrial-immune-markers-are-potential-predictors-of-normal-fertility-and-pregnancy-after-in-vitro-fertilization
#18
Louise Kofod, Anette Lindhard, Michael Bzorek, Jens Ole Eriksen, Lise Grupe Larsen, Thomas Vauvert F Hviid
PROBLEM: Elucidating immune mechanisms in the endometrium, which lead to the success of implantation and pregnancy, is important in reproductive medicine. Studies of immune cell abundance have shown conflicting results, and the expression and importance of HLA class Ib proteins in pre-implantation endometrium have not yet been investigated. METHOD OF STUDY: The study population consisted of four subgroups: a hydrosalpinx, a salpingectomy, an unexplained infertility, and a fertile control group...
April 25, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28436055/implantation-window-and-angiogenesis
#19
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/28433367/abnormal-implantation-after-fresh-and-frozen-in%C3%A2-vitro-fertilization-cycles
#20
Erica T Wang, Anupama S Q Kathiresan, Catherine Bresee, Naomi Greene, Carolyn Alexander, Margareta D Pisarska
OBJECTIVE: To determine whether fresh embryo transfers are at a higher risk of abnormal implantation compared with frozen embryo transfers while accounting for the embryo stage at transfer. DESIGN: Retrospective cohort study. SETTING: Not applicable. PATIENT(S): We used data from the Society for Assisted Reproductive Technologies to identify all fresh and frozen autologous IVF cycles from 2004-2013 resulting in a positive pregnancy test...
May 2017: Fertility and Sterility
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