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https://www.readbyqxmd.com/read/29154465/the-role-of-immunological-testing-and-intervention-in-reproductive-medicine-a-fertile-collaboration
#1
REVIEW
Syed B Ali, Yogesh Jeelall, Craig E Pennell, Roger Hart, Andrew McLean-Tooke, Michaela Lucas
Advances in reproductive medicine have significantly increased the success of fertility treatments. Nevertheless, some women experience recurrent implantation failure (RIF) after in-vitro fertilization (IVF) or recurrent pregnancy loss (RPL). Imbalances in the immune system and failure to achieve immune tolerance to the foetus have been implicated as potentially modifiable causes of idiopathic RIF and RPL. As such, women are increasingly being treated with immunomodulatory agents in an attempt to achieve a successful pregnancy...
November 20, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29145907/-autosomal-dominant-polycystic-kidney-disease-should-patients-young-adult-relatives-be-screened-or-not
#2
B J Kramers, M Storm, R T Gansevoort
Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary renal disease, with a global prevalence of 10 per 10,000. It is characterized by the formation of numerous cysts in both kidneys, and leads to renal function loss; the majority of patients will eventually need renal replacement therapy. It is possible to screen patients' presymptomatic family members from a young age, but this has not historically been recommended as until recently there were no treatment options. This year, the vasopressin V2 receptor antagonist tolvaptan was approved for prescription in ADPKD, to slow the rate of renal function decline...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29145719/maintained-mpf-level-after-oocyte-vitrification-improves-embryonic-development-after-ivf-but-not-after-somatic-cell-nuclear-transfer
#3
Ji I Baek, Dong-Won Seol, Ah-Reum Lee, Woo Sik Lee, Sook-Young Yoon, Dong Ryul Lee
Levels of maturation-promoting factor (MPF) in oocytes decline after vitrification, and this decline has been suggested as one of the main causes of low developmental competence resulting from cryoinjury. Here, we evaluated MPF activity in vitrified mouse eggs following treatment with caffeine, a known stimulator of MPF activity, and/or the proteasome inhibitor MG132. Collected MII oocytes were vitrified and divided into four groups: untreated, 10 mM caffeine (CA), 10 μM MG132 (MG), and 10 mM caffeine +10 μM MG132 (CA+MG)...
November 16, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/29142452/infertility-stress-in-couples-undergoing-intrauterine-insemination-and-in-vitro-fertilization-treatments
#4
Manisha Awtani, Kamayani Mathur, Sandeep Shah, Manish Banker
Aim: The main aim of the study was to assess the stress levels of husbands and wives undergoing intrauterine insemination (IUI) and in vitro fertilization (IVF) treatments, and also to observe whether the stress levels differed between the methods of treatments. Materials and Methods: This research focused on 120 infertile couples who underwent IUI and In Vitro Fertilization-Intra Sperm Cytoplasmic sperm Injection (IVF-ICSI) at an infertility clinic from April 2014 to November 2014...
July 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29136154/the-number-of-oocytes-retrieved-during-ivf-a-balance-between-efficacy-and-safety
#5
Åsa Magnusson, Karin Källen, Ann Thurin-Kjellberg, Christina Bergh
STUDY QUESTION: What is the relationship between the number of oocytes collected in fresh IVF treatments and the likelihood of cumulative delivery rate (fresh and frozen) per oocyte aspiration, severe ovarian hyperstimulation syndrome (OHSS) and thromboembolic events? SUMMARY ANSWER: Cumulative delivery rate per aspiration increases up to 20 oocytes retrieved and then evens out while the incidence of severe OHSS increases more rapidly from around 18 oocytes and thromboembolic events, although rare, occurs in particular if 15 or more oocytes are retrieved...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29136144/antioxidants-improve-ivf-outcome-and-subsequent-embryo-development-in-the-mouse
#6
T Truong, D K Gardner
STUDY QUESTION: What is the effect of a combination of three antioxidants (Acetyl-L-Carnitine, N-Acetyl-L-Cysteine and α-Lipoic Acid), present in IVF medium during mouse oocyte and sperm collection, on fertilization and subsequent IVF embryo development? SUMMARY ANSWER: A combination of antioxidants resulted in faster developmental times from the 2-cell stage through to expanded blastocyst stage, accompanied by a significant increase in blastocyst cell number and a reduction of intracellular hydrogen peroxide (H2O2) levels...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29134477/difference-in-the-size-of-the-placenta-and-umbilical-cord-between-women-with-natural-pregnancy-and-those-with-ivf-pregnancy
#7
Atsushi Yanaihara, Shota Hatakeyama, Shirei Ohgi, Kenichirou Motomura, Ryoma Taniguchi, Aguri Hirano, Shin Takenaka, Takumi Yanaihara
PURPOSE: The purpose of this study was to compare the sizes of the placenta and umbilical cord in women with natural pregnancy versus those undergoing in vitro fertilization (IVF). METHODS: Overall, 1610 cases of uncomplicated single pregnancies with vaginal delivery at ≥ 37 weeks of gestation were included in this study. The patients were divided into two groups: natural pregnancy group (n = 1453) and IVF pregnancy not including intracytoplasmic sperm injection (ICSI) treatment (n = 157)...
November 14, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29132734/role-of-vitamin-e-and-d3-supplementation-in-intra-cytoplasmic-sperm-injection-outcomes-of-women-with-polycystic-ovarian-syndrome-a-double-blinded-randomized-placebo-controlled-trial
#8
Farnaz Fatemi, Afsaneh Mohammadzadeh, Mohammad Reza Sadeghi, Mohammad Mehdi Akhondi, Shayan Mohammadmoradi, Koorosh Kamali, Nicknam Lackpour, Sheida Jouhari, Simin Zafadoust, Sara Mokhtar, Ladan Giahi
BACKGROUND & AIMS: Ovulation induction has been proven to impose oxidative stress during ICSI treatment cycle. Also, data indicates that PCOS women show higher oxidative markers. Available data are not convincing about which antioxidant supplements have the potential to overcome oxidative stress in PCOS subjects. The aim of this trial was to investigate the possible role of combined vitamin E and D supplementation in the ICSI outcomes (oocyte number and quality, embryo number and quality, pregnancy rate) of PCOS subjects...
April 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29126233/endothelin-1-promotes-human-germinal-vesicle-stage-oocyte-maturation-by-downregulating-connexin-26-expression-in-cumulus-cells
#9
Long Cui, Jiajie Shen, Li Fang, Xiaodan Mao, Hanzhi Wang, Yinghui Ye
STUDY QUESTION: Does endothelin-1 (ET-1) promote human oocyte maturation and by what mechanism? SUMMARY ANSWER: Addition of ET-1 to the medium in which human germinal vesicle (GV)-stage immature oocytes are cultured enhances the GV breakdown (GVBD) rate; the resumption of meiosis may be initiated by ET-1 downregulating the expression of connexin-26 (Cx26) in cumulus cells via endothelin receptor type B (ETRB), leading to decreased cAMP levels in the oocyte. WHAT IS KNOWN ALREADY: The paracrine factor ET-1 is secreted by ovarian somatic cells in pre-ovulatory follicles and regulates oocyte maturation in mice...
November 8, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29126206/the-incidence-and-origin-of-segmental-aneuploidy-in-human-oocytes-and-preimplantation-embryos
#10
D Babariya, E Fragouli, S Alfarawati, K Spath, D Wells
STUDY QUESTION: What is the incidence, origin and clinical significance of segmental aneuploidy in human oocytes and preimplantation embryos? SUMMARY ANSWER: Segmental aneuploidy occurs at a considerable frequency in preimplantation embryos with a majority being mitotic in origin. WHAT IS KNOWN ALREADY: In recent years, accurate techniques for the detection of aneuploidy in single cells have been developed. Research using such methods has confirmed that aneuploidy is a common feature of human oocytes and preimplantation embryos...
November 8, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29124676/cost-effectiveness-analysis-of-the-gonadotropin-treatments-hp-hmg-and-rfsh-for-assisted-reproductive-technology-in-france-a-markov-model-analysis
#11
Paul Barriere, Géraldine Porcu-Buisson, Samir Hamamah
OBJECTIVES: The objectives of this study were to assess (1) the expected cost of a live birth (LB) after in vitro fertilization with two different gonadotropin treatments [high purified human menopausal gonadotropin (HP-hMG) and recombinant follicle-stimulating hormone (rFSH)] as the single cost variable, and (2) the cost effectiveness of HP-hMG relative to rFSH in the context of the routine practice of assisted reproductive technology (ART) in France. METHODS: A Markov model was developed to simulate the therapeutic management, the in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) courses, and the effects of complications in hypothetical cohorts of 30,000 patients undergoing IVF/ICSI with fresh embryo transfer (up to four attempts) using data from the MERIT and MEGASET clinical trials or from French routine ART practice...
November 9, 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/29124461/improvement-of-pregnancy-outcome-by-extending-embryo-culture-in-ivf-et-during-clinical-application
#12
Xiaopeng Zhao, Binbin Ma, Shaokang Mo, Lu Ma, Fei Chang, Liyuan Zhang, Fang Xu, Ling Wang
PURPOSE: The purpose of this study is to investigate the application value of the extended embryo culture for 7-8 h in day 3 morning during IVF-ET process. METHODS: Embryos were retrospectively assessed during 08:00-09:00 on the morning of day 3 in the control group, and were assessed once again at 16:00 in the afternoon in the extended culture (EC) group. The embryos with good developmental potential were preferentially selected to transfer. The cumulative pregnancy outcomes were analyzed in one oocyte retrieval cycle...
November 9, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29121350/individualized-fsh-dosing-based-on-ovarian-reserve-testing-in-women-starting-ivf-icsi-a-multicentre-trial-and-cost-effectiveness-analysis
#13
Theodora C van Tilborg, Simone C Oudshoorn, Marinus J C Eijkemans, Monique H Mochtar, Ron J T van Golde, Annemieke Hoek, Walter K H Kuchenbecker, Kathrin Fleischer, Jan Peter de Bruin, Henk Groen, Madelon van Wely, Cornelis B Lambalk, Joop S E Laven, Ben Willem J Mol, Frank J M Broekmans, Helen L Torrance
STUDY QUESTION: Is there a difference in live birth rate and/or cost-effectiveness between antral follicle count (AFC)-based individualized FSH dosing or standard FSH dosing in women starting IVF or ICSI treatment? SUMMARY ANSWER: In women initiating IVF/ICSI, AFC-based individualized FSH dosing does not improve live birth rates or reduce costs as compared to a standard FSH dose. WHAT IS KNOWN ALREADY: In IVF or ICSI, ovarian reserve testing is often used to adjust the FSH dose in order to normalize ovarian response and optimize live birth rates...
November 7, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29120571/a-healthy-hla-matched-baby-born-by-using-a-combination-of-acgh-and-karyomapping-the-first-latin-american-case
#14
Andrea Delgado, Guillermo Llerena, Rosmary Lopez, Jimmy Portella, Naomi Inoue, Luis Noriega-Hoces, Luis Guzman
PGD for HLA typing is a procedure that can be performed when an affected child requires a transplant to treat a non-hereditary disorder related to the hematopoietic and/or immune system. Hematopoietic stem cell transplantation from an HLA-identical donor provides the best treatment option. Three conventional ovarian stimulation procedures for IVF were performed in a couple with a 10-year-old child diagnosed with T-cell acute lymphoblastic leukemia of high risk. Trophectoderm biopsy and aCGH examination were performed on 15 blastocysts, three on the first IVF procedure, four on the second cycle, and eight on the third...
November 9, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29119739/fertility-outcomes-in-infertile-women-with-complex-hyperplasia-or-complex-atypical-hyperplasia-who-received-progestin-therapy-and-in-vitro-fertilization
#15
Miao Li, Jia-Lun Song, Ying Zhao, She-Ling Wu, Hong-Bin Liu, Rong Tang, Lei Yan
This study aimed to evaluate fertility and oncologic outcomes in women with complex hyperplasia (CH) or complex atypical hyperplasia (CAH) who received fertility-sparing therapy and in vitro fertilization (IVF). Endometrial carcinoma is the most common carcinoma of the female genital tract, and is associated with endometrial hyperplasia (EH) resulting from long-term unopposed estrogenic stimulation of the endometrium. EH is characterized by non-physiological proliferation of endometrium that results in glands with irregular shapes and varying sizes...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/29117383/assisted-reproductive-technology-in-europe-2013-results-generated-from-european-registers-by-eshre
#16
C Calhaz-Jorge, C De Geyter, M S Kupka, J de Mouzon, K Erb, E Mocanu, T Motrenko, G Scaravelli, C Wyns, V Goossens
STUDY QUESTION: Are there any changes in the treatments involving ART and IUI initiated in Europe during 2013 compared with previous years? SUMMARY ANSWER: An increase in the overall number of ART cycles resulting from a higher number of countries reporting data was evident, the pregnancy rates (PRs) in 2013 remained stable compared with those reported in 2012, the number of transfers with multiple embryos (3+) was lower than ever before yet the multiple delivery rates (DRs) remained unchanged, and IUI activity and success rates were similar to those of last years...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29114987/ivf-icsi-treatment-and-the-risk-of-spontaneous-preterm-birth-in-singleton-pregnancies-a-meta-analysis-of-cohort-studies
#17
REVIEW
Paolo Cavoretto, Massimo Candiani, Veronica Giorgione, Annalisa Inversetti, Matilda Marta Abu-Saba, Francesca Tiberio, Cristina Sigismondi, Antonio Farina
OBJECTIVES: Preterm birth (PTB) is more common among in-vitro fertilization (IVF) as compared to natural conception. However, the extent to which this it due to spontaneous labour or to iatrogenic indications has not been determined. This study quantifies the risk of spontaneous preterm birth (SPTB) in singleton pregnancies resulting from IVF as compared to spontaneous conception. METHODS: Web-based databases search (PubMed/Medline, Scopus, Web of Science) up to September 2017 identified articles comparing the risk of SPTB in singleton IVF/ICSI and naturally conceived pregnancies...
November 7, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29112712/the-protective-role-of-melatonin-in-porcine-oocyte-meiotic-failure-caused-by-the-exposure-to-benzo-a-pyrene
#18
Yilong Miao, Changyin Zhou, Qingyun Bai, Zhaokang Cui, Xiayan ShiYang, Yajuan Lu, Mianqun Zhang, Xiaoxin Dai, Bo Xiong
STUDY QUESTION: Does melatonin restore the benzo(a)pyrene (BaP)-induced meiotic failure in porcine oocytes? SUMMARY ANSWER: Melatonin effectively inhibits the increased reactive oxygen species (ROS) level and apoptotic rate in BaP-exposed porcine oocytes to recover the meiotic failure. WHAT IS KNOWN ALREADY: BaP, a widespread environmental carcinogen found in particulate matter, 2.5 µm or less (PM2.5), has been shown to have toxicity at the level of the reproductive systems...
November 3, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29102484/repeated-implantation-failure-at-the-crossroad-between-statistics-clinics-and-over-diagnosis
#19
Edgardo Somigliana, Paola Vigano, Andrea Busnelli, Alessio Paffoni, Walter Vegetti, Paolo Vercellini
The most common definition of repeated implantation failure (RIF) is the failure to obtain a clinical pregnancy after three completed IVF cycles. This definition, however, may lead to misuse of the diagnosis. To disentangle this, we set up a mathematical model based on the following main assumptions: rate of success of IVF constant and set at 30%; and RIF postulated to be a dichotomous condition (yes or no) with a prevalence of 10%. On this basis, the expected cumulative chance of pregnancy after three and six cycles was 59% and 79%, respectively...
October 12, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29102407/physical-and-kinematic-properties-of-cryopreserved-camel-sperm-after-elimination-of-semen-viscosity-by-different-techniques
#20
Khalid El-Bahrawy, Sherif Rateb, Marwa Khalifa, Davide Monaco, Giovanni Lacalandra
This investigation aimed to determine the influence of using different techniques for liquefaction of semen on post-thaw physical and dynamic characteristics of camel spermatozoa. A total of 144 ejaculates were collected from 3 adult camels, Camelus dromedarius, twice-weekly over 3 consecutive breeding seasons. A raw aliquot of each ejaculate was evaluated for physical and morphological properties, whereas the remaining portion was diluted (1:3) with glycerolated Tris lactose egg yolk extender, and was further subjected to one of the following liquefaction treatments: control (untreated), 5μl/ml α-amylase, 0...
October 31, 2017: Animal Reproduction Science
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