Christopher Lr Barratt
No abstract text is available yet for this article.
May 6, 2023: Reproductive Biomedicine Online
Eva Vanbelleghem, Vanessa Muyshond, Roos Colman, Frauke Vanden Meerschaut, Dominic Stoop, Sandra Janssens, Kelly Tilleman
RESEARCH QUESTION: What are the incidence of and indications for sperm donor restriction due to suspected/confirmed disease risk, and the future treatment choices of patients using these sperm donors? DESIGN: This single-centre retrospective study involved donors who had restrictions on the use of their imported spermatozoa from January 2010 to December 2019, and current or previous recipients. Indications for sperm restriction and the characteristics of patients undergoing medically assisted reproduction (MAR) treatment with these specimens at the time of restriction were collected...
May 4, 2023: Reproductive Biomedicine Online
Signe Altmäe, Alberto Sola-Leyva, Andres Salumets
The generative pre-trained transformer, ChatGPT, is a chatbot that could serve as a powerful tool in scientific writing. ChatGPT is a so-called large language model (LLM) that is trained to mimic the statistical patterns of language in an enormous database of human-generated text combined from text in books, articles and websites across a wide range of domains. ChatGPT can assist scientists with material organization, draft creation and proofreading, making it a valuable tool in research and publishing. This paper discusses the use of this artificial intelligence (AI) chatbot in academic writing by presenting one simplified example...
April 20, 2023: Reproductive Biomedicine Online
Bassel H Al Wattar, Vikram Talaulikar
Rapid advances in assisted reproductive technology have revolutionized fertility treatments for couples worldwide seeking a pregnancy. Although this is promising, concerns are emerging over the overuse of unnecessary assisted conception treatments, particularly among couples with anovulatory subfertility. Some experts are calling for the cessation of ovulation induction as the primary treatment of anovulatory subfertility in favour of more sophisticated assisted conception treatments. In the absence of other causes of subfertility, ovulation induction in patients with type 1 and type 2 anovulation disorders can achieve an up to 80% ovulation rate with a 40% cumulative pregnancy rate and few adverse effects...
April 19, 2023: Reproductive Biomedicine Online
Nick Macklon, Juan Velasco Garcia
No abstract text is available yet for this article.
April 19, 2023: Reproductive Biomedicine Online
Rumbidzai Majangara Karaga, Paversan Archary, Ernestine Gwet Bell, Mohamed Khrouf, Olabisi Loto, Ibrahim Wada, Silke Dyer
RESEARCH QUESTION: What is the current availability of treatment with assisted reproductive technology (ART) in the public sector in Africa, and what are the facilitators and barriers towards its provision? DESIGN: Cross-sectional quantitative and qualitative data were collected in two phases from February 2020 to October 2021. Key informants were identified from countries known to provide ART in Africa based on data from the African Network and Registry for Assisted Reproductive Technology and the 2019 Surveillance from the International Federation of Fertility Societies...
April 12, 2023: Reproductive Biomedicine Online
Sandro C Esteves, Peter Humaidan
Male infertility is a disease that deserves greater clinical attention and research. A universally accepted definition that emphasizes the modulatory impact of age, lifestyle and environmental factors and includes comprehensive diagnostic and treatment guidelines is needed to ensure accurate evaluation and effective care. Accordingly, male infertility should be defined as a disease of the male reproductive system, caused primarily by congenital and genetic conditions, anatomical, endocrine, functional or immunological abnormalities of the reproductive system, genital tract infections, cancer and its related treatments, and sexual disorders incompatible with intercourse...
April 11, 2023: Reproductive Biomedicine Online
Benedetta Pasquini, Viola Seravalli, Silvia Vannuccini, Francesco La Torre, Pierangelo Geppetti, Luigi Iannone, Silvia Benemei, Felice Petraglia
RESEARCH QUESTION: Women with endometriosis are frequently affected by headache. How many of these have a clear diagnosis of migraine? Are the different forms of migraine related to the phenotypes and/or characteristics of endometriosis? DESIGN: This was a prospective nested case-control study. A consecutive series of 131 women with endometriosis who attended the endometriosis clinic were enrolled and examined for the presence of headache. A headache questionnaire was used to determine the characteristics of the headaches, and the diagnosis of migraine was confirmed by a specialist...
April 7, 2023: Reproductive Biomedicine Online
Guido Pennings
Many people hope that the unused and unwanted eggs frozen by women for self-use could be applied to reduce the shortage of donor eggs. However, several practical (additional screening and counselling) and ethical (informed consent and reimbursement) issues may dampen this hope. This paper also considers the question of whether elective egg freezers who want to donate their eggs should be reimbursed for the costs they have met for the IVF cycle and storage. It is argued that a partial reimbursement for the collection (hormonal stimulation and retrieval) is morally acceptable because it is limited to proven expenses (and does not violate the altruism rule) and because the recipients should contribute to the costs of a scheme from which they are benefiting...
April 2, 2023: Reproductive Biomedicine Online
Alberto Sola-Leyva, Inmaculada Pérez-Prieto, Nerea M Molina, Eva Vargas, Susana Ruiz-Durán, Irene Leonés-Baños, Analuce Canha-Gouveia, Signe Altmäe
Polycystic ovary syndrome (PCOS) is an endocrine disorder affecting reproductive-aged women, but the cause remains unclear. Recent evidence has linked microbial composition with PCOS; however, the results are inconsistent. The aim of this systematic review was to gather current knowledge of the microbes across body sites (oral cavity, blood, vagina/cervix, gut) in women with PCOS, and meta-analyse the microbial diversity in PCOS. For this purpose, a systematic search using PubMed, Web of Science, Cochrane and Scopus was carried out...
March 30, 2023: Reproductive Biomedicine Online
Kilian Vomstein, Pia Egerup, Astrid Marie Kolte, Ida Behrendt-Møller, Amalie Dyhrberg Boje, Marie-Louise Bertelsen, Cecilie Sophie Eiken, Michelle Raupelyté Reiersen, Bettina Toth, Nina la Cour Freiesleben, Henriette Svarre Nielsen
RESEARCH QUESTION: What are the differences in menstrual blood lymphocytes between controls, patients with recurrent pregnancy loss (RPL) and patients with unexplained infertility (uINF)? DESIGN: Prospective study including 46 healthy controls, 28 RPL and 11 uINF patients. A feasibility study compared lymphocyte compositions of endometrial biopsies and menstrual blood collected during the first 48 h of menstruation in seven controls. In all patients, peripheral and menstrual blood from the first and subsequent 24 h were analysed separately by flow cytometry, focusing on the main lymphocyte populations and natural killer (NK) cell subsets...
March 29, 2023: Reproductive Biomedicine Online
Stefania Greco, Alessandro Zannotti, Pamela Pellegrino, Federica Giantomassi, Giovanni Delli Carpini, Mattia D'Agostino, Gaia Goteri, Andrea Ciavattini, Chiara Donati, Caterina Bernacchioni, Felice Petraglia, Anna La Teana, Pasquapina Ciarmela
RESEARCH QUESTION: Is the hypusinated form of the eukaryotic translation initiation factor 5A (EIF5A) present in human myometrium, leiomyoma and leiomyosarcoma, and does it regulate cell proliferation and fibrosis? DESIGN: The hypusination status of eIF5A in myometrial and leiomyoma patient-matched tissues was evaluated by immunohistochemistry and Western blotting as well as in leiomyosarcoma tissues by immunohistochemistry. Myometrial, leiomyoma and leiomyosarcoma cell lines were treated with N1-guanyl-1,7-diaminoheptane (GC-7), responsible for the inhibition of the first step of eIF5A hypunization, and the proliferation rate was determined by MTT assay; fibronectin expression was analysed by Western blotting...
March 27, 2023: Reproductive Biomedicine Online
Werner M Neuhausser, Yuval Fouks, Si Won Lee, Annliz Macharia, Insoo Hyun, Eli Y Adashi, Alan S Penzias, Michele R Hacker, Denny Sakkas, Denis Vaughan
RESEARCH QUESTION: Has acceptance of heritable genome editing (HGE) and whole genome sequencing for preimplantation genetic testing (PGT-WGS) of human embryos changed after the onset of COVID-19 among infertility patients? DESIGN: A written survey conducted between April and June 2018 and July and December 2021 among patients at a university-affiliated infertility practice. The questionnaire ascertained the acceptance of HGE for specific therapeutic or genetic 'enhancement' indications and of PGT-WGS to prevent adult disease...
March 24, 2023: Reproductive Biomedicine Online
Emily Zuvela, Phillip Matson
RESEARCH QUESTION: How do laboratories perform when assessing sperm motility with a 3-category system and interpreting results as per the fifth edition of the World Health Organization manual (WHO5), and will the use of a 4-category system as per the sixth edition of the WHO manual improve their performance? DESIGN: Eighty video recordings of sperm samples were sent to over 200 laboratories spanning a 5-year period for the assessment of progressive motility. The results were reviewed relative to the all-laboratory trimmed mean (ALTM) in terms of the minimum and maximum values reported, the coefficient of variation and the proportion of laboratories indicating an abnormal result...
March 21, 2023: Reproductive Biomedicine Online
Sunita Sharma, Sourav RoyChoudhury, M Padmaja Bhattacharya, Shubhendu Hazra, Arup Kumar Majhi, Kamal C Oswal, Ratna Chattopadhyay
RESEARCH QUESTION: Can low-dose letrozole reduce dysmenorrhoea, menorrhagia and sonographic features in symptomatic women with adenomyosis awaiting IVF? DESIGN: This was a longitudinal randomized prospective pilot study to explore the effectiveness of low-dose letrozole and compare it with a gonadotropin releasing hormone (GnRH) agonist in reducing dysmenorrhoea, menorrhagia and sonographic features in symptomatic women with adenomyosis awaiting IVF. The women were treated for 3 months, either with the GnRH agonist goserelin 3...
March 18, 2023: Reproductive Biomedicine Online
Stefania Antonia Noli, Stefania Ferrari, Elena Ricci, Marco Reschini, Sonia Cipriani, Chiara Dallagiovanna, Fabio Parazzini, Edgardo Somigliana
RESEARCH QUESTION: Can preconception adherence to a Mediterranean diet influence the rate of poor response to ovarian stimulation in IVF cycles? DESIGN: The impact of dietary habits on the success of IVF is controversial. Inconsistencies may be explained by confounders associated with the use of pregnancy as an outcome as well as by a reductionist view of diet that focuses on single components rather than on food patterns. This cross-sectional study analysed adherence to a Mediterranean diet in women with unexpected poor response to ovarian stimulation...
March 17, 2023: Reproductive Biomedicine Online
Fernando Zegers-Hochschild, Javier A Crosby, Carolina Musri, Fanny Petermann-Rocha, Maria do Carmo Borges de Souza, A Gustavo Martinez, Ricardo Azambuja, Armando Roque, Gustavo Estofan, Mario Vega Croker
RESEARCH QUESTION: What was the utilization, effectiveness and safety of assisted reproductive technology (ART) in Latin America during 2020? DESIGN: Retrospective collection of multinational data on ART performed by 188 institutions in 16 countries. RESULTS: Overall, 87,732 initiated cycles resulted in 12,778 deliveries and 14,582 births. The major contributors were Brazil (46.0%), Mexico (17.0%) and Argentina (16.8%). However, the highest utilization (cycles/million inhabitants) was Uruguay with 558, followed by Argentina with 490 and Panama with 425 cycles/million...
March 14, 2023: Reproductive Biomedicine Online
Joyce D Asseler, Julie Knieriem, Judith Af Huirne, Mariette Goddijn, Marieke O Verhoeven, Norah M van Mello
RESEARCH QUESTION: What are the outcomes and experiences of oocyte vitrification treatment in trans masculine individuals (TMI) before and after testosterone use? DESIGN: This retrospective cohort study was conducted at the Amsterdam UMC in the Netherlands between January 2017 and June 2021. The TMI who had completed an oocyte vitrification treatment were consecutively approached for participation. Informed consent was provided by 24 individuals. Participants (n = 7) who initiated testosterone therapy were advised to stop 3 months before stimulation...
March 14, 2023: Reproductive Biomedicine Online
Pingping Hong, Jing Gao, Wen Zhou, Haiyang Li, Yimin Shu, Tao Li
RESEARCH QUESTION: Could the microbial contamination rate of oocytes and embryos in conventional IVF cycles be further reduced by modifying the handling procedures of cumulus-oocyte complexes (COC)? DESIGN: Two modifications were applied to COC handling procedures. First, a mark was made on the outer wall of the 10-cm Petri dish to indicate the site from which the follicular fluid was poured out during the oocyte retrieval process (modified handling 1) since May 2018...
March 13, 2023: Reproductive Biomedicine Online
Michal Zajicek, Alexander Volodarsky-Perel, Daniel Shai, Daniela Dick-Necula, Hila Raanani, Noah Gruber, Gideon Karplus, Eran Kassif, Boaz Weisz, Dror Meirow
RESEARCH QUESTION: Can ovarian reserve parameters predict the outcome of ovarian tissue cryopreservation (OTCP) in patients ≤18 years with non-iatrogenic premature ovarian insufficiency (POI)? DESIGN: Retrospective cohort analysis carried out in a single tertiary hospital between August 2010 and January 2020. Thirty-seven patients ≤18 years with non-iatrogenic POI (27 with Turner syndrome, six with POI of unknown aetiology, three with galactosemia and one with blepharophimosis, ptosis, epicanthus inversus syndrome) were included...
March 12, 2023: Reproductive Biomedicine Online
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