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Reproductive Biomedicine Online

María Luisa Lopez-Regalado, Luis Martínez-Granados, Antonio González-Utor, Nereyda Ortiz, Miriam Iglesias, Manuel Ardoy, Jose A Castilla
The Vienna consensus, based on the recommendations of an expert panel, has identified 19 performance indicators for assisted reproductive technology (ART) laboratories. Two levels of reference values are established for these performance indicators: competence and benchmark. For over 10 years, the Spanish embryology association (ASEBIR) has participated in the definition and design of ART performance indicators, seeking to establish specific guidelines for ART laboratories to enhance quality, safety and patient welfare...
May 24, 2018: Reproductive Biomedicine Online
Petra Pateisky, Dietmar Pils, Ladislaus Szabo, Lorenz Kuessel, Heinrich Husslein, Arndt Schmitz, René Wenzl, Iveta Yotova
RESEARCH QUESTION: As microRNA (miRNA) are stable in circulation, this study tested whether they could serve as putative non-invasive biomarkers for endometriosis, and their expression differences between endometriosis patients and controls. It also addressed whether the combination of differently expressed miRNA together with clinical parameters in a statistical model could distinguish between endometriosis patients and controls. DESIGN: This prospective cohort study explored the possibility of using changes in extracellular miRNA spectra in plasma of 51 patients with endometriosis compared with 41 controls combined with clinical data as non-invasive biomarkers for the disease...
May 22, 2018: Reproductive Biomedicine Online
Da Li, Hong-Xiang Liu, Yuan-Yuan Fang, Jia-Ning Huo, Qi-Jun Wu, Tian-Ren Wang, Yi-Ming Zhou, Xiu-Xia Wang, Xiao-Xin Ma
RESEARCH QUESTION: What are the metabolic characteristics of homocysteine in polycystic ovary syndrome (PCOS)? DESIGN: Homocysteine concentrations were determined in serum samples from non-obese and obese control subjects and PCOS patients. Homocysteine metabolism was studied in a rat model of PCOS established using dehydroepiandrosterone (DHEA) or DHEA in combination with a high-fat diet (HFD). RESULTS: It was shown that (i) serum homocysteine concentrations were greater in PCOS patients than in control subjects in the obese group (P < 0...
May 22, 2018: Reproductive Biomedicine Online
Romina Higa, Sabrina Roberti, María Belén Mazzucco, Verónica White, Alicia Jawerbaum
RESEARCH QUESTION: Can maternal treatments with idebenone, a structural analogue of coenzyme Q10, prevent alterations on markers of proinflammatory-prooxidant processes, on the expression of genes involved in mitochondrial biogenesis and function, and on the apoptotic rate in embryos from mild diabetic rats? DESIGN: A mild diabetic rat model was induced by neonatal-streptozotocin administration (90 mg/kg subcutaneously). Female diabetic rats and controls were mated with healthy males...
May 21, 2018: Reproductive Biomedicine Online
Nada Kubikova, Dhruti Babariya, Jonas Sarasa, Katharina Spath, Samer Alfarawati, Dagan Wells
RESEARCH QUESTION: Mutations of the beta-globin gene (HBB) cause beta-thalassaemia and sickle cell anaemia. These are the most common cause of severe inherited disease in humans. Traditional preimplantation genetic testing protocols for detecting HBB mutations frequently involve labour intensive, patient-specific test designs owing to the wide diversity of disease-associated HBB mutations. We, therefore, asked the question whether a universally applicable preimplantation genetic testing method can be developed to test for HBB gene mutations...
May 21, 2018: Reproductive Biomedicine Online
Lorella Pascolo, Irene Venturin, Alessandra Gianoncelli, Roberta Bortul, Gabriella Zito, Elena Giolo, Murielle Salomé, Diana E Bedolla, Matteo Altissimo, Marina Zweyer, Giuseppe Ricci
RESEARCH QUESTION: Does synchrotron X-ray fluorescence (XRF) provide novel chemical information for the evaluation of human ovarian tissue cryopreservation protocols? DESIGN: Tissues from five patients undergoing laparoscopic surgery for benign gynaecological conditions were fixed for microscopic analysis either immediately or after cryopreservation. After fixation, fresh and slowly frozen samples were selected by light microscopy and transmission electron microscopy, and subsequently analysed with synchrotron XRF microscopy at different incident energies...
May 18, 2018: Reproductive Biomedicine Online
Mina Alikani
No abstract text is available yet for this article.
May 10, 2018: Reproductive Biomedicine Online
Guillaume E Courtoy, Jacques Donnez, Jérôme Ambroise, Pablo Arriagada, Mathieu Luyckx, Etienne Marbaix, Marie-Madeleine Dolmans
RESEARCH QUESTION: Does ulipristal acetate (UPA) modify the expression of genes related to apoptosis or the extracellular matrix in uterine myomas and are any modifications associated with a clinical response? DESIGN: Targeted analysis of 176 apoptosis- or extracellular-matrix-related genes was conducted using polymerase chain reaction (PCR) arrays. Relevant results were validated by quantitative PCR. Four groups were established: responsive short-term (one course, n = 9), responsive long-term (two to four courses, n = 9), non-responsive (n = 9), and the control group who was not given any hormone therapy (n = 9)...
May 7, 2018: Reproductive Biomedicine Online
Michel De Vos, Stéphanie Pareyn, Panagiotis Drakopoulos, José M Raimundo, Ellen Anckaert, Samuel Santos-Ribeiro, Nikolaos P Polyzos, Herman Tournaye, Christophe Blockeel
RESEARCH QUESTION: Do cumulative live birth rates (CLBR) vary among women with different polycystic ovary syndrome (PCOS) phenotypes who undergo IVF/intracytoplasmic sperm injection (ICSI) treatment? DESIGN: In this retrospective cohort study, data from 567 patients undergoing an assisted reproductive technology (ART) cycle between January 2010 and December 2015 were collected. Demographical traits, cycle characteristics and clinical and laboratory data were analysed...
May 7, 2018: Reproductive Biomedicine Online
Tiphaine Lefebvre, Sophie Mirallié, Florence Leperlier, Arnaud Reignier, Paul Barrière, Thomas Fréour
RESEARCH QUESTION: Does ovarian reserve and ovarian response to ovarian stimulation in women with cancer undergoing oocyte vitrification for fertility preservation vary according to the type of malignancy? DESIGN: Retrospective cohort study including 105 women aged between 18 and 40 years, who were referred for fertility preservation (oocyte vitrification) between 2013 and 2016. The women were divided into three groups: breast cancer, lymphoma or other cancer. All of them had been recently diagnosed with cancer, with gonadotoxic treatment scheduled, and had oocyte vitrification after ovarian stimulation with antagonist protocol...
May 2, 2018: Reproductive Biomedicine Online
Tom G Tanbo, Manuela Zucknick, Anne Eskild
RESEARCH QUESTION: Are maternal concentrations of human chorionic gonadotropin (HCG) on a fixed day after embryo transfer associated with duration of pregnancy? DESIGN: A follow-up study of 1917 singleton pregnancies after IVF was performed. Embryos were cultured for 2 days and maternal HCG concentration quantified on day 12 after embryo transfer. Duration of pregnancy was obtained from the Medical Birth Registry of Norway. Association of HCG concentration (log2-transformed) with duration of pregnancy was estimated as hazard ratios (HR) with 95% confidence intervals (CI) by applying Cox regression proportional hazard models, where time to delivery for pregnancies shortened because of planned Caesarean delivery or induction of labour was treated as censored...
May 2, 2018: Reproductive Biomedicine Online
Jaime Onofre, Katrien Faes, Prashant Kadam, Elena Vicini, Ans M M van Pelt, Ellen Goossens
RESEARCH QUESTION: From a clinical perspective, which parameters grant optimal cryopreservation of mouse testicular cell suspensions? DESIGN: We studied the effect of different cryopreservation rates, the addition of sugars, different vessels and the addition of an apoptotic inhibitor on the efficiency of testicular cell suspension cryopreservation. After thawing and warming, testicular cell suspensions were transplanted to recipient mice for further functional assay...
April 27, 2018: Reproductive Biomedicine Online
Maximilian Murtinger, Barbara Wirleitner, Maximilian Schuff
No abstract text is available yet for this article.
April 27, 2018: Reproductive Biomedicine Online
Francesca Romana Grati, Gloria Gallazzi, Lara Branca, Federico Maggi, Giuseppe Simoni, Yuval Yaron
No abstract text is available yet for this article.
April 26, 2018: Reproductive Biomedicine Online
Fatemehsadat Amjadi, Mehdi Mehdizadeh, Mahnaz Ashrafi, Davood Nasrabadi, Sara Taleahmad, Mehdi Mirzaei, Vivek Gupta, Ghasem Hosseini Salekdeh, Reza Aflatoonian
RESEARCH QUESTION: What is the molecular basis of infertility related to uterine dysfunction in women with polycystic ovary syndrome (PCOS)? DESIGN: In this study, differences in protein expression between PCOS and normal endometrium were identified using a proteomic approach based on two-dimensional electrophoresis (2-DE) coupled with mass spectrometry (MS). The proteome of endometrium were analysed during the proliferative (on day 2 or 3 before ovulation, n = 6) and luteal phases (on day 3-5 after ovulation, n = 6) from healthy women and PCOS patients (12-14 days after spontaneous bleeding, n = 12)...
April 21, 2018: Reproductive Biomedicine Online
Lucky Sekhon, Joseph A Lee, Eric Flisser, Alan B Copperman, Daniel Stein
RESEARCH QUESTION: Does vitrification and warming affect live birth rate, infant birth weight and timing of delivery? DESIGN: Retrospective, cohort study comparing outcomes of donor oocyte recipient fresh (n = 25) versus vitrified (n = 86) euploid blastocyst transfers; donor oocyte recipient singleton live births from fresh (n = 100) versus vitrified (n = 102) single embryo transfers (SET); and autologous vitrified euploid SET (n = 1760) (cryostored 21-1671 days)...
April 21, 2018: Reproductive Biomedicine Online
Jacques Donnez, Guillaume E Courtoy, Olivier Donnez, Marie-Madeleine Dolmans
Ulipristal acetate (UPA), a selective progesterone receptor modulator (SPRM), offers new therapeutic options for the clinical management of large uterine fibroids associated with heavy menstrual bleeding or with other moderate or severe symptoms (bulk symptoms, pelvic pain, decreased quality of life). SPRM are synthetic compounds that exert an agonist or antagonist effect on target tissues by their binding to progesterone receptors. UPA reduces fibroid size, controls bleeding in a high percentage of women and significantly improves quality of life...
April 21, 2018: Reproductive Biomedicine Online
Ryuzo Yanagimachi, Mina Alikani
No abstract text is available yet for this article.
April 19, 2018: Reproductive Biomedicine Online
Laura Benaglia, Andrea Busnelli, Rossella Biancardi, Walter Vegetti, Marco Reschini, Paolo Vercellini, Edgardo Somigliana
RESEARCH QUESTION: What are the frequency, characteristics and consequences of technical diffiiculties encountered by physicians when carrying out oocyte retrieval in women with ovarian endometriomas? DESIGN: We prospectively recruited women undergoing IVF and compared technical difficulties between women with (n = 56) and without (n = 227) endometriomas. RESULTS: In exposed women, the cyst had to be transfixed in eight cases (14%, 95% CI 7 to 25%) and accidental contamination of the follicular fluid with the endometrioma content was recorded in nine women (16%, 95% CI 8 to 27%)...
April 13, 2018: Reproductive Biomedicine Online
Xiao Jiang, Junhao Yan, Yan Sheng, Mei Sun, Linlin Cui, Zi-Jiang Chen
RESEARCH QUESTION: Does an association exist between serum anti-Müllerian hormone (AMH) level, the marker of biological ovarian age, and embryonic aneuploidy risk in recurrent spontaneous miscarriage (RSM) patients of reproductive age? DESIGN: This retrospective study included a total of 422 IVF cycles of 394 unexplained RSM patients undergoing preimplantation genetic testing for aneuploidy (PGT-A), enrolled from January 2014 to December 2016. Subjects were divided into three groups according to the 25th (1...
April 13, 2018: Reproductive Biomedicine Online
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