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Reproductive Biomedicine Online

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https://www.readbyqxmd.com/read/28495440/corrigendum-to-live-birth-derived-from-oocyte-spindle-transfer-to-prevent-mitochondrial-disease-reproductive-biomedicine-online-34-2017-361-368
#1
John J Zhang, Hui Liu, Shiyu Luo, Zhuo Lu, Alejandro Chávez-Badiola, Zitao Liu, Mingxue Yang, Zaher Merhi, Sherman J Silber, Santiago Munné, Michalis Konstantinidis, Dagan Wells, Taosheng Huang
No abstract text is available yet for this article.
May 8, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28501428/management-of-ovarian-stimulation-for-ivf-narrative-review-of-evidence-provided-for-world-health-organization-guidance
#2
REVIEW
Cindy Farquhar, Jane Marjoribanks, Julie Brown, Bart C J M Fauser, Anne Lethaby, Selma Mourad, Robert Rebar, Marian Showell, Sheryl van der Poel
In this paper, a review of evidence provided to the World Health Organization (WHO) guideline development, who prepare global guidance on the management of ovarian stimulation for women undergoing IVF, is presented. The purpose of ovarian stimulation is to facilitate retrieval of multiple oocytes during a single IVF cycle. Availability of multiple oocytes compensates for inefficiencies in subsequent stages of the cycle, which include oocyte maturation, IVF, embryo culture, embryo transfer, and implantation...
April 26, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28479119/chromosomal-polymorphisms-are-associated-with-female-infertility-and-adverse-reproductive-outcomes-after-infertility-treatment-a-7-year-retrospective-study
#3
Ran Cheng, Yaxian Ma, Ying Nie, Xiaoyong Qiao, Zhilan Yang, Rujun Zeng, Liangzhi Xu
Data from 19,950 women were retrospectively analysed to determine the effect of chromosomal polymorphisms on female infertility and pregnancy outcome; fertile women were used as controls. Frequency of chromosomal polymorphisms and adverse pregnancy outcomes were compared between groups. A significantly higher incidence of chromosomal polymorphisms was found in total infertile patients, and patients with tubal infertility, ovulatory dysfunction, cervical and uterine abnormalities, and unexplained infertility compared with controls (5...
April 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28479118/effects-of-liraglutide-on-ovarian-dysfunction-in-polycystic-ovary-syndrome-a-randomized-clinical-trial
#4
Malin Nylander, Signe Frøssing, Helle V Clausen, Caroline Kistorp, Jens Faber, Sven O Skouby
Polycystic ovary syndrome (PCOS) encompasses an ovarian and a metabolic dysfunction. Glucagon-like peptide-1 (GLP-1) analogues facilitate weight loss and ameliorate metabolic dysfunction in overweight women with PCOS, but their effect on ovarian dysfunction is scarcely reported. In a double-blind, randomized trial, 72 women with PCOS were allocated to intervention with the GLP-1 analogue liraglutide or placebo (1.8 mg/day), in a 2:1 ratio. At baseline and 26-week follow-up, bleeding pattern, levels of AMH, sex hormones and gonadotrophins were assessed and ovarian morphology evaluated...
April 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28476487/a-randomized-controlled-trial-comparing-the-efficacy-and-safety-of-two-hmg-preparations-gaining-their-lh-bioactivity-from-different-hcg-sources
#5
Gillian Lockwood, Barbara Cometti, Jeanette Bogstad, Karin Erb, Christian De Geyter, Janos Urbancsek, Silvia Trevisan, Khaled Pocate-Cheriet, Dominique de Ziegler
In this prospective, controlled, randomized, multicentre, non-inferiority study, efficacy and safety of two HMG preparations (Menopur(®)- Ferring and Meriofert®- IBSA Institut Biochimique SA) for ovarian stimulation were compared (270 women undergoing IVF aged between 18 and 39 years; BMI 30 kg/m(2) or less; less than three prior completed assisted reproduction technique cycles). A standard long down-regulation with gonadotrophin-releasing hormone agonist protocol, with HCG triggering was used; primary end-point was total number of oocytes retrieved; attention was paid toovarian hyperstimulation syndrome (OHSS)...
April 20, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28483339/follicular-flushing-in-natural-cycle-ivf-does-not-affect-the-luteal-phase-a-prospective-controlled-study
#6
M von Wolff, A Kohl Schwartz, P Stute, M Fäh, G Otti, R Schürch, S Rohner
In contrast to multifollicular IVF, follicular flushing seems to increase the efficacy of monofollicular IVF treatments such as natural cycle IVF (NC-IVF). However, because follicular flushing causes loss of granulosa cells, it might negatively affect luteal phase length and endocrine function of the luteal body. A prospective cohort Phase II study was performed in 24 women undergoing NC-IVF. Women underwent a reference cycle with human chorionic gonadotrophin-induced ovulation without follicle aspiration and analysis of the length of the luteal phase and luteal concentrations of progesterone and oestradiol...
April 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28479120/what-fertility-specialists-should-know-about-the-vaginal-microbiome-a-review
#7
REVIEW
Juan Antonio García-Velasco, Marco Menabrito, Isidoro Bruna Catalán
Our understanding of the composition of the microbial communities that inhabit the human body, known as the 'microbiome', is aided by the development of non-culture-dependent DNA sequencing. It is increasingly apparent that the balance of microbial species greatly affects the health of the host. Disturbances in the composition of bacterial communities have been shown to contribute to various disease states, and there is a growing body of evidence that the vaginal microbiota, which is unique to each woman, plays an important role in determining many facets of reproductive health...
April 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28476486/the-effect-of-endometrial-scratch-on-natural-cycle-cryopreserved-embryo-transfer-outcomes-a-randomized-controlled-study
#8
Jennifer Sze Man Mak, Cathy Hoi Sze Chung, Jacqueline Pui Wah Chung, Grace Wing Shan Kong, Sotirios H Saravelos, Lai Ping Cheung, Tin-Chiu Li
The benefit of endometrial scratch (ES) prior to embryo transfer is controversial. Systemic analysis has confirmed its potential benefit, especially in women with repeated IVF failures, yet most studies have focused on fresh embryo transfer, and its effect on vitrified-warmed embryo transfer (FET) cycles is yet to be explored. We hereby present our prospective, double-blind, randomized controlled study on the evaluation of the implantation and pregnancy rate after ES prior to natural-cycle FET. A total of 299 patients underwent natural-cycle FET and were randomized to receive ES (n = 115) or endocervical manipulation as control (n = 114) prior to FET cycle, and a total of 196 patients had embryo transfer (93 patients in each group)...
April 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28456372/uterine-peristalsis-and-fertility-current-knowledge-and-future-perspectives-a-review-and-meta-analysis
#9
REVIEW
Nienke Petronella Maria Kuijsters, Willem Gerardus Methorst, Madeleine Susanne Quirine Kortenhorst, Chiara Rabotti, Massimo Mischi, Benedictus Christiaan Schoot
Although uterine contractions in the non-pregnant uterus have been studied extensively, the knowledge gained has not been used in general fertility treatment work-up. In this review paper, we provide an overview of the current knowledge on uterine peristalsis (UP), based on the available literature. This literature shows that UP influences pregnancy chances in both natural and artificial cycles. Although the physiological background of these contractions is not completely clear, we know that several factors can be of influence, like uterine pathologies and hormones...
April 12, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28462793/biosimilars-to-recombinant-human-fsh-medicines-comparable-efficacy-and-safety-to-the-original-biologic
#10
Fernando de Mora, Bart C J M Fauser
Two recombinant follicle-stimulating hormone (rFSH)-bearing similar biological medicines (biosimilars) have been authorized by the European Commission. Biosimilar is a regulatory concept alluding to the evidence-based high-standard comparability studies needed to demonstrate its equivalence to a reference original biologic. Because biosimilar development represents a shift from the long-lasting existing paradigms, a thorough understanding of the science behind it will contribute to helping prescribers make informed treatment choices...
April 10, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28434652/multifetal-reduction-of-triplets-to-twins-compared-with-non-reduced-twins-a-meta-analysis
#11
Yaniv Zipori, Jigal Haas, Howard Berger, Eran Barzilay
The current systematic review and meta-analysis evaluates the perinatal outcomes in twin pregnancies following multifetal pregnancy reduction (MPR) compared with non-reduced twins. We considered all studies comparing perinatal outcomes of twin pregnancies following MPR to non-reduced twin pregnancies. Our search yielded 639 publications, of which 91 were assessed for eligibility. A total of 22 studies met our inclusion criteria. Overall, fetal reduction of triplets to twins resulted in comparable perinatal outcomes to non-reduced twins with regards to gestational age and birthweight at delivery, pregnancy loss prior to 24 weeks, as well as the development of gestational diabetes and hypertensive disorders of pregnancy...
April 10, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28483340/cardiovascular-autonomic-dysfunction-in-women-with-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#12
REVIEW
Juan Gui, Rui-Hao Wang
Recent studies reveal that polycystic ovary syndrome (PCOS) might be associated with cardiovascular autonomic dysfunction, but with inconsistent results. The aim of this meta-analysis was to study whether women with PCOS have cardiovascular autonomic dysfunction. PubMed, Web of Science, Cochrane Library and SCOPUS were searched for studies comparing cardiovascular function between women with PCOS and controls. A random-effects model was used to evaluate cardiac autonomic modulation and muscle sympathetic nerve activity (MSNA) between women with PCOS and controls...
April 7, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28416291/cumulative-live-birth-rate-after-gnrh-agonist-trigger-and-elective-cryopreservation-of-all-embryos-in-high-responders
#13
Veljko Vlaisavljević, Borut Kovačič, Jure Knez
Elective embryo cryopreservation after using gonadotrophin-releasing hormone (GnRH) antagonist protocols and GnRH agonist triggering is becoming an increasingly important part of medically assisted reproduction. We designed a single-centre retrospective study to assess the cumulative probability of achieving a live birth through consecutive transfers of vitrified-warmed blastocysts after elective embryo cryopreservation in high-responding patients. Hence, 123 women identified to be at high risk for developing ovarian hyperstimulation syndrome were included...
April 7, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28427857/vitrified-warmed-single-embryo-transfers-may-be-associated-with-increased-maternal-complications-compared-with-fresh-single-embryo-transfers
#14
Tal Shavit, Galia Oron, Son Weon-Young, Hananel Holzer, Togas Tulandi
Cryopreservation of embryos allows single-embryo transfer and storage of supernumerary embryos, maximizing cumulative pregnancy rates. The purpose of this retrospective cohort study was to compare pregnancy outcome in singletons born after fresh or vitrified-warmed single blastocyst transfer (SBT). Singleton live births resulting from SBT of fresh or vitrified-warmed embryos were compared. Primary outcomes were perinatal outcomes including small for gestational age (SGA), low birthweight, preterm deliveries (PTD), large for gestational age (LGA) and congenital malformations...
April 6, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28434653/a-revised-prediction-model-for-natural-conception
#15
Alexandra J Bensdorp, Jan Willem van der Steeg, Pieternel Steures, J Dik F Habbema, Peter G A Hompes, Patrick M M Bossuyt, Fulco van der Veen, Ben W J Mol, Marinus J C Eijkemans
One of the aims in reproductive medicine is to differentiate between couples that have favourable chances of conceiving naturally and those that do not. Since the development of the prediction model of Hunault, characteristics of the subfertile population have changed. The objective of this analysis was to assess whether additional predictors can refine the Hunault model and extend its applicability. Consecutive subfertile couples with unexplained and mild male subfertility presenting in fertility clinics were asked to participate in a prospective cohort study...
March 28, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28416168/non-invasive-preimplantation-genetic-screening-using-array-comparative-genomic-hybridization-on-spent-culture-media-a-proof-of-concept-pilot-study
#16
Michael Feichtinger, Enrico Vaccari, Luca Carli, Elisabeth Wallner, Ulrike Mädel, Katharina Figl, Simone Palini, Wilfried Feichtinger
The aim of this pilot study was to assess if array comparative genomic hybridization (aCGH), non-invasive preimplantation genetic screening (PGS) on blastocyst culture media is feasible. Therefore, aCGH analysis was carried out on 22 spent blastocyst culture media samples after polar body PGS because of advanced maternal age. All oocytes were fertilized by intracytoplasmic sperm injection and all embryos underwent assisted hatching. Concordance of polar body analysis and culture media genetic results was assessed...
March 28, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28431828/clinical-use-of-monopronucleated-zygotes-following-blastocyst-culture-and-preimplantation-genetic-screening-including-verification-of-biparental-chromosome-inheritance
#17
Cara K Bradley, Maria Traversa, Natalie Hobson, Alison J Gee, Steven J McArthur
In assisted reproduction, embryos derived from monopronucleated (1PN) zygotes are considered abnormal and unsuitable for clinical use. Outcomes of 1PN-derived embryos designated for preimplantation genetic screening (PGS) were analysed. These embryos, especially from intracytoplasmic sperm injection (ICSI), were found to have a low developmental potential; 1PN and 2PN day 5 blastocyst development for IVF was 14.8% versus 36.4% (P < 0.0001), and for ICSI, 6.6% versus 34.0% (P < 0.0001), respectively. With the use of comparative genomic hybridization or next-generation sequencing, PGS was successfully carried out for 74 IVF and 32 ICSI 1PN-derived blastocysts, revealing adjusted abnormality rates of 39...
March 27, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28396044/predictive-factors-influencing-pregnancy-rates-after-intrauterine-insemination-with-frozen-donor-semen-a-prospective-cohort-study
#18
Annelies Thijssen, An Creemers, Wim Van der Elst, Eva Creemers, Eva Vandormael, Nathalie Dhont, Willem Ombelet
The extent to which certain parameters can influence pregnancy rates after intrauterine insemination with frozen donor semen was examined prospectively. Between July 2011 and September 2015, 402 women received 1264 IUI cycles with frozen donor semen in a tertiary referral infertility centre. A case report form was used to collect data prospectively. The primary outcome measure was clinical pregnancy rate (CPR), confirmed by detection of a gestational sac and fetal heartbeat using ultrasonography at 7-8 weeks of gestation...
March 23, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28410957/fetal-alpha-5-reductase-val89leu-mutation-is-associated-with-late-miscarriage
#19
Beatriz Pérez-Nevot, Jose-Luis Royo, Miriam Cortés, Ana M Lendínez, Arturo Reyes-Palomares, Ana-José Jiménez, Maximiliano Ruiz-Galdón, Armando Reyes-Engel
The present study was undertaken to determine the role of different polymorphisms affecting the testosterone/oestrogen pathway in miscarriage. Alpha 5-reductase (SRD5A2) rs523349 and rs9282858, cytochrome P450 aromatase (CYP19A1) rs4646, rs10046 and rs2236722 and oestrogen receptor (ESR1) rs9340799, rs2234693 and rs6932902 polymorphisms were selected. The case group consisted of 94 samples of formalin-fixed and paraffin-embedded fetal tissue from a miscarriage at ≤24 weeks. The control group comprised a population of 331 young healthy subjects...
March 21, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28372893/polycystic-ovary-syndrome-analysis-of-the-global-research-architecture-using-density-equalizing-mapping
#20
Dörthe Brüggmann, Lea Berges, Doris Klingelhöfer, Jan Bauer, Michael Bendels, Frank Louwen, Jenny Jaque, David A Groneberg
Polycystic ovary syndrome (PCOS) is the most common cause of female infertility worldwide. Although the related research output is constantly growing, no detailed global map of the scientific architecture has so far been created encompassing quantitative, qualitative, socioeconomic and gender aspects. We used the NewQIS platform to assess all PCOS-related publications indexed between 1900 and 2014 in the Web of Science, and applied density equalizing mapping projections, scientometric techniques and economic benchmarking procedures...
March 21, 2017: Reproductive Biomedicine Online
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