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https://www.readbyqxmd.com/read/28938751/new-permeable-cryoprotectant-free-vitrification-method-for-native-human-sperm
#1
J Aizpurua, L Medrano, M Enciso, J Sarasa, A Romero, M A Fernández, M J Gómez-Torres
STUDY QUESTION: Is permeable cryoprotectant-free vitrification of native sperm samples a good alternative to conventional slow freezing? SUMMARY ANSWER: The permeable cryoprotectant-free sperm vitrification protocol tested in this study renders considerably better recovery rates of good quality sperm compared to slow freezing. WHAT IS KNOWN ALREADY: Slow freezing is currently the most commonly used technique for sperm cryopreservation, though this method has been repeatedly shown to have negative effects on both structural and functional sperm features...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938746/women-s-career-priority-is-associated-with-attitudes-towards-family-planning-and-ethical-acceptance-of-reproductive-technologies
#2
Michael K Simoni, Lin Mu, Stephen C Collins
STUDY QUESTION: Do women who place high importance on career success have different perceptions of pregnancy planning, delayed reproduction, and the ethical acceptability of ART than women with less emphasis on their career? SUMMARY ANSWER: Career-focused women place more importance on pregnancy planning, have greater confidence in delayed childbearing, and are more ethically accepting of donor gamete ART than women who do not place as much importance on career success...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938744/an-improved-ivm-method-for-cumulus-oocyte-complexes-from-small-follicles-in-polycystic-ovary-syndrome-patients-enhances-oocyte-competence-and-embryo-yield
#3
F Sánchez, F Lolicato, S Romero, M De Vos, H Van Ranst, G Verheyen, E Anckaert, J E J Smitz
STUDY QUESTION: Are meiotic and developmental competence of human oocytes from small (2-8 mm) antral follicles improved by applying an optimized IVM method involving a prematuration step in presence of C-Type Natriuretic Peptide (CNP) followed by a maturation step in presence of FSH and Amphiregulin (AREG)? SUMMARY ANSWER: A strategy involving prematuration culture (PMC) in the presence of CNP followed by IVM using FSH + AREG increases oocyte maturation potential leading to a higher availability of Day 3 embryos and good-quality blastocysts for single embryo transfer...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938740/selective-outcome-reporting-and-sponsorship-in-randomized-controlled-trials-in-ivf-and-icsi
#4
M Braakhekke, I Scholten, F Mol, J Limpens, B W Mol, F van der Veen
STUDY QUESTION: Are randomized controlled trials (RCTs) on IVF and ICSI subject to selective outcome reporting and is this related to sponsorship? SUMMARY ANSWER: There are inconsistencies, independent from sponsorship, in the reporting of primary outcome measures in the majority of IVF and ICSI trials, indicating selective outcome reporting. WHAT IS KNOWN ALREADY: RCTs are subject to bias at various levels. Of these biases, selective outcome reporting is particularly relevant to IVF and ICSI trials since there is a wide variety of outcome measures to choose from...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938737/complex-catsper-dependent-and-independent-ca2-i-signalling-in-human-spermatozoa-induced-by-follicular-fluid
#5
Sean G Brown, Sarah Costello, Mark C Kelly, Mythili Ramalingam, Ellen Drew, Stephen J Publicover, Christopher L R Barratt, Sarah Martins Da Silva
STUDY QUESTION: Does progesterone in human follicular fluid (hFF) activate CatSper and do other components of hFF modulate this effect and/or contribute separately to hFF-induced Ca2+ signaling? SUMMARY ANSWER: hFF potently stimulates CatSper and increases [Ca2+]i, primarily due to high concentrations of progesterone, however, other components of hFF also contribute to [Ca2+]i signaling, including modulation of CatSper channel activity and inhibition of [Ca2+]i oscillations...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938736/deep-sequencing-shows-that-oocytes-are-not-prone-to-accumulate-mtdna-heteroplasmic-mutations-during-ovarian-ageing
#6
L Boucret, C Bris, V Seegers, D Goudenège, V Desquiret-Dumas, M Domin-Bernhard, V Ferré-L'Hotellier, P E Bouet, P Descamps, P Reynier, V Procaccio, P May-Panloup
STUDY QUESTION: Does ovarian ageing increase the number of heteroplasmic mitochondrial DNA (mtDNA) point mutations in oocytes? SUMMARY ANSWER: Our results suggest that oocytes are not subject to the accumulation of mtDNA point mutations during ovarian ageing. WHAT IS KNOWN ALREADY: Ageing is associated with the alteration of mtDNA integrity in various tissues. Primary oocytes, present in the ovary since embryonic life, may accumulate mtDNA mutations during the process of ovarian ageing...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938728/modeling-of-live-birth-rates-and-cost-effectiveness-of-oocyte-cryopreservation-for-cancer-patients-prior-to-high-and-low-risk-gonadotoxic-chemotherapy
#7
B Lyttle Schumacher, N Grover, T Mesen, A Steiner, J Mersereau
STUDY QUESTION: What is the live-birth rate (LBR) and cost-effectiveness of fertility preservation with oocyte cryopreservation (FP-OC) compared to expectant management in cancer patients age 25-40 based on estimated gonadotoxicity of treatments 5 years after cancer diagnosis? SUMMARY ANSWER: Oocyte cryopreservation prior to cancer treatment is more costly, yet more effective (producing more live births), than not undergoing oocyte cryopreservation but it is most beneficial for patients undergoing high-risk chemotherapy (HRC)...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28937459/percutaneous-kyphoplasty-for-the-treatment-of-osteoporotic-vertebral-fractures-with-intravertebral-fluid-or-air-a-comparative-study
#8
Junjie Niu, Dawei Song, Haifei Zhou, Qian Meng, Bin Meng, Huilin Yang
STUDY DESIGN: A retrospective comparative study. OBJECTIVE: To compare the characteristics of osteoporotic vertebral fractures (OVFs) with intravertebral fluid (IVF) and those with intravertebral air (IVA), and the efficacy of percutaneous balloon kyphoplasty (PKP) in treating OVFs with these 2 different intravertebral components. SUMMARY OF BACKGROUND DATA: Previous studies have focused on the efficacy of percutaneous vertebroplasty (PVP) and PKP in treating OVFs with intravertebral cleft...
October 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28937295/adropin-levels-in-women-with-polycystic-ovaries-undergoing-ovarian-stimulation-correlation-with-lipoprotein-lipid-profiles
#9
Artemis Bousmpoula, Evangelia Kouskouni, Evangelos Benidis, Styliani Demeridou, Rachil Kapeta-Kourkouli, Anthia Chasiakou, Stavroula Baka
This study aimed to investigate serum and follicular fluid (FF) adropin levels in polycystic ovary syndrome (PCOS) and normal women undergoing controlled ovarian stimulation and correlate them with the lipid and lipoprotein levels. We included 60 women (30 lean and 30 overweight) with diagnosed PCOS, and 60 age and weight-matched non-PCOS controls (30 lean and 30 overweight), under in vitro fertilization (IVF) treatment. Serum lipid and lipoprotein levels were assessed by the Abbott Architect c8000 autoanalyzer while adropin levels were determined by enzyme immunoassay...
September 22, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28935242/supplementation-of-cilostazol-during-in-vitro-maturation-enhances-the-meiosis-and-developmental-competence-of-yak-oocytes-by-influencing-camp-content-and-mrna-expression
#10
Xian-Rong Xiong, Dao-Liang Lan, Jian Li, Ya-Qiu Lin, Ming-Yang Li
The efficiency of in vitro embryo production remains low compared with that observed in vivo. Recent studies have independently shown that cyclic adenosine monophosphate (cAMP) modulation prior to in vitro maturation (IVM) supplementation improves oocyte developmental competence. In this context, special cAMP modulators have been applied during IVM as promising alternatives to improve this biotechnology. Accordingly, this study was conducted to evaluate the effects of treatment with cilostazol, a PDE3 inhibitor, during pre-IVM culture on oocyte meiotic maturation in yak...
August 24, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28934714/efficacy-of-dehydroepiandrosterone-dhea-to-overcome-the-effect-of-ovarian-ageing-ditto-a-proof-of-principle-double-blinded-randomized-placebo-controlled-trial
#11
Amarin Narkwichean, Walid Maalouf, Miriam Baumgarten, Lukasz Polanski, Nick Raine-Fenning, Bruce Campbell, Kannamannadiar Jayaprakasan
OBJECTIVE: To evaluate the effect of DHEA supplementation on In-Vitro Fertilisation (IVF) outcome as assessed by ovarian response, oocyte developmental competence and live birth rates in women predicted to have poor ovarian reserve (OR). The feasibility of conducting a large trial is also assessed by evaluating the recruitment rates and compliance of the recruited participants with DHEA/placebo intake and follow-up rates. STUDY DESIGN: A single centre, double blinded, placebo controlled, randomized trial was performed over two years with 60 women undergoing in-vitro fertilisation (IVF)...
September 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28934068/upper-limb-hemimelia-in-a-twin-pregnancy-which-was-obtained-by-an-icsi-and-pgd-in-a-woman-with-mosaic-turner-s-syndrome-and-the-prognosis
#12
Ahter Tanay Tayyar, Ahmet Tayyar, Ahmet Eser, Çetin Kılıçcı, İlter Yenidede, Selçuk Selçuk
Turner's syndrome (TS) is depicted as a total or partial absence of X chromosome, and occurs in approximately 1/2200 of live born females. Generally, mosaic patients are diagnosed following karyotype analysis due to recurrent pregnancy loss, repeated in vitro fertilization (IVF) failure, and a history of malformed babies. The purpose of this case report is to show that even a selection of normal karyotype embryos can result in abnormalities for those with mosaic TS. A 32-year old patient who underwent IVF after ICSI-PGD, and was diagnosed with 45X/46XX karyotype...
September 21, 2017: Organogenesis
https://www.readbyqxmd.com/read/28932299/the-outcome-of-assisted-reproductive-techniques-among-couples-with-male-factors-at-prince-khalid-bin-sultan-fertility-centre-kingdom-of-saudi-arabia
#13
Hytham Bahaeldin Mukhtar, Amani Shaman, Hyder Osman Mirghani, Ayman Adnan Almasalmah
BACKGROUND: Thirty-three percent of infertility due to paternal factors, there are an increasing proportion of couples who decide to conceive by assisted reproductive techniques (ART). The outcome prediction is pivotal for decision making. AIM: We aimed to study the pregnancy outcomes of different ART with male factors infertility. METHODS: This is retrospective cross-sectional study conducted at Tabuk, Kingdom of Saudi Arabia. One hundred fifteen patients' records reviewed using a structured checklist to collect demographic data, sperm (concentration, motility, and morphology)...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28931865/use-of-medroxyprogesterone-acetate-in-women-with-ovarian-endometriosis-undergoing-controlled-ovarian-hyperstimulation-for-in-vitro-fertilization
#14
Haiyan Guo, Yun Wang, Qiuju Chen, Weiran Chai, Lihua Sun, Ai Ai, Yonglun Fu, Qifeng Lyu, Yanping Kuang
This study investigated the use of medroxyprogesterone acetate (MPA) or a short protocol for controlled ovarian hyperstimulation (COH) in patients with advanced endometriosis who have normal ovarian function, and to compare cycle characteristics and pregnancy outcomes after frozen-thawed embryo transfer (FET). This was a retrospective case-control study of 244 patients with advanced endometriosis undering COH. The patients were allocated to three groups: the surgery group with MPA COH (62 patients, 71 IVF/ICSI cycles, 78 FET cycles); the aspiration group with MPA COH (85 patients had ovarian "chocolate" cysts (>3 cm) aspirated, 90 IVF/ICSI cycles, 76 FET cycles); and the short protocol group (97 patients, 101 IVF/ICSI cycles, 51 FET cycles)...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931409/clinical-review-of-24-35%C3%A2-year-olds-conceived-with-and-without-in-vitro-fertilization-study-protocol
#15
Sharon Lewis, Joanne Kennedy, David Burgner, Robert McLachlan, Sarath Ranganathan, Karin Hammarberg, Richard Saffery, David J Amor, Michael M H Cheung, Lex W Doyle, Markus Juonala, Susan Donath, John McBain, Jane Halliday
BACKGROUND: Children conceived by assisted reproductive technologies (ART) currently comprise 4% of Australian births. The manipulation of biological parameters related to fertilization and implantation are integral to successful ART but potentially pose a risk to the longer-term health of the offspring. There is consensus that many common adult health problems (particularly cardiovascular, metabolic and respiratory conditions) have their origins in early life, possibly before birth, and that risk trajectories track through childhood until clinical disease manifests in adulthood...
September 20, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28930223/successful-pregnancy-after-treatment-with-chinese-herbal-medicine-in-a-43-year-old-woman-with-diminished-ovarian-reserve-and-multiple-uterus-fibrosis-a-case-report
#16
Benqi Teng, Jie Peng, Madeleine Ong, Xianqin Qu
OBJECTIVE: To highlight a natural approach to coexisting oligomenorrhea, subfertility, luteal phase insufficiency and multiple fibroids cohesively when in vitro fertilisation (IVF) has failed. CASE PRESENTATION: A 43-year-old woman with diminished ovarian reserve and multiple uterine fibroids had previously been advised to discontinue IVF treatment. According to Chinese Medicine diagnosis, herbal formulae were prescribed for improving age-related ovarian insufficiency as well as to control the growth of fibroids...
February 9, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929977/exposure-to-follicular-fluid-during-oocyte-maturation-and-oviductal-fluid-during-post-maturation-does-not-improve-in-vitro-embryo-production-in-the-horse
#17
Cécile Douet, Olivia Parodi, Nicola Antonio Martino, Giovanni Michele Lacalandra, Michele Nicassio, Fabrice Reigner, Stefan Deleuze, Maria Elena Dell'Aquila, Ghylène Goudet
Most wild equids and many domestic horse breeds are at risk of extinction, so there is an urgent need for genome resource banking. Embryos cryopreservation allows the preservation of genetics from male and female and is the fastest method to restore a breed. In the equine, embryo production in vitro would allow the production of several embryos per cycle. Intracytoplasmic sperm injection (ICSI) is used to generate horse embryos, but it requires expensive equipment and expertise in micromanipulation, and blastocyst development rates remain low...
September 20, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28928993/what-drives-embryo-development-chromosomal-normality-or-mitochondria
#18
A Bayram, I Elkhatib, A Arnanz, A Linan, F Ruiz, B Lawrenz, H M Fatemi
OBJECTIVE: To report the arrest of euploid embryos with high mtDNA content. DESIGN: A report of 2 cases. SETTING: Private fertility clinic. PATIENTS: 2 patients, 45 and 40 years old undergoing IVF treatment. INTERVENTIONS: Mature oocytes were collected and vitrified from two ovarian stimulations. Postthaw, survived mature oocytes underwent fertilization by intracytoplasmic sperm injection (ICSI)...
2017: Case Reports in Genetics
https://www.readbyqxmd.com/read/28923286/abnormally-fertilized-oocytes-can-result-in-healthy-live-births-improved-genetic-technologies-for-preimplantation-genetic-testing-can-be-used-to-rescue-viable-embryos-in-in-vitro-fertilization-cycles
#19
Antonio Capalbo, Nathan Treff, Danilo Cimadomo, Xin Tao, Susanna Ferrero, Alberto Vaiarelli, Silvia Colamaria, Roberta Maggiulli, Giovanna Orlando, Catello Scarica, Richard Scott, Filippo Maria Ubaldi, Laura Rienzi
OBJECTIVE: To test whether abnormally fertilized oocyte (AFO)-derived blastocysts are diploid and can be rescued for clinical use. DESIGN: Longitudinal-cohort study from January 2015 to September 2016 involving IVF cycles with preimplantation genetic testing for aneuploidy (PGT-A). Ploidy assessment was incorporated whenever a blastocyst from a monopronuclear (1PN) or tripronuclear zygote (2PN + 1 smaller PN; 2.1 PN) was obtained. SETTING: Private IVF clinics and genetics laboratories...
September 15, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28923282/association-between-abo-blood-type-and-live-birth-outcomes-in-single-embryo-transfer-cycles
#20
Nigel Pereira, Hency H Patel, Logan D Stone, Paul J Christos, Rony T Elias, Steven D Spandorfer, Zev Rosenwaks
OBJECTIVE: To investigate the association between ABO blood type and live-birth outcomes in patients undergoing IVF with day 5 single embryo transfer (SET). DESIGN: Retrospective cohort study. SETTING: University-affiliated center. PATIENT(S): Normal responders, <40 years old, undergoing their first IVF cycle with fresh SET. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Live-birth rate was the primary outcome...
September 15, 2017: Fertility and Sterility
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