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https://www.readbyqxmd.com/read/28333338/drug-discovery-for-male-subfertility-using-high-throughput-screening-a-new-approach-to-an-unsolved-problem
#1
Sarah J Martins da Silva, Sean G Brown, Keith Sutton, Louise V King, Halil Ruso, David W Gray, Paul G Wyatt, Mark C Kelly, Christopher L R Barratt, Anthony G Hope
STUDY QUESTION: Can pharma drug discovery approaches be utilized to transform investigation into novel therapeutics for male infertility? SUMMARY ANSWER: High-throughput screening (HTS) is a viable approach to much-needed drug discovery for male factor infertility. WHAT IS KNOWN ALREADY: There is both huge demand and a genuine clinical need for new treatment options for infertile men. However, the time, effort and resources required for drug discovery are currently exorbitant, due to the unique challenges of the cellular, physical and functional properties of human spermatozoa and a lack of appropriate assay platform...
March 16, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333337/tubal-anastomosis-after-previous-sterilization-a-systematic-review
#2
Jacoba A H van Seeters, Su Jen Chua, Ben W J Mol, Carolien A M Koks
BACKGROUND: Female sterilization is one of the most common contraceptive methods. A small number of women, however, opt for reversal of sterilization procedures after they experience regret. Procedures can be performed by laparotomy or laparoscopy, with or without robotic assistance. Another commonly utilized alternative is IVF. The choice between surgery and IVF is often influenced by reimbursement politics for that particular geographic location. OBJECTIVE AND RATIONALE: We evaluated the fertility outcomes of different surgical methods available for the reversal of female sterilization, compared these to IVF and assessed the prognostic factors for success...
February 22, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28333318/a-phase-iii-randomized-controlled-trial-comparing-the-efficacy-safety-and-tolerability-of-oral-dydrogesterone-versus-micronized-vaginal-progesterone-for-luteal-support-in-in-vitro-fertilization
#3
Herman Tournaye, Gennady T Sukhikh, Elke Kahler, Georg Griesinger
STUDY QUESTION: Is oral dydrogesterone 30 mg daily (10 mg three times daily [TID]) non-inferior to micronized vaginal progesterone (MVP) 600 mg daily (200 mg TID) for luteal support in in vitro fertilization (IVF), assessed by the presence of fetal heartbeats determined by transvaginal ultrasound at 12 weeks of gestation? SUMMARY ANSWER: Non-inferiority of oral dydrogesterone versus MVP was demonstrated at 12 weeks of gestation, with a difference in pregnancy rate and an associated confidence interval (CI) that were both within the non-inferiority margin...
March 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333271/impact-of-thyroid-autoimmunity-in-euthyroid-women-on-live-birth-rate-after-iui
#4
D Unuane, B Velkeniers, B Bravenboer, P Drakopoulos, H Tournaye, J Parra, M De Brucker
STUDY QUESTION: Does thyroid autoimmunity (TAI) predict live birth rate in euthyroid women after one treatment cycle in IUI patients? SUMMARY ANSWER: TAI as such does not influence pregnancy outcome after IUI treatment. WHAT IS KNOWN ALREADY: The role of TAI on pregnancy outcome in the case of IVF/ICSI is largely debated in the literature. This is the first study to address this issue in the case of IUI. STUDY DESIGN, SIZE, DURATION: This was a retrospective cohort study...
February 23, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333265/improving-oocyte-quality-by-transfer-of-autologous-mitochondria-from-fully-grown-oocytes
#5
Stine Gry Kristensen, Susanne Elisabeth Pors, Claus Yding Andersen
Older women are often the most challenging group of patients in fertility clinics due to a decline in both number and overall quality of oocytes. The quality of oocytes has been linked to mitochondrial dysfunction. In this mini-review, we discuss this hypothesis and suggest alternative treatment options using autologous mitochondria to potentially augment pregnancy potential in ART. Autologous transfer of mitochondria from the patient's own germline cells has attracted much attention as a possible new treatment to revitalize deficient oocytes...
March 2, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333241/dysmorphic-patterns-are-associated-with-cytoskeletal-alterations-in-human-oocytes
#6
Mariabeatrice Dal Canto, Maria Cristina Guglielmo, Mario Mignini Renzini, Rubens Fadini, Clarissa Moutier, Maria Merola, Elena De Ponti, Giovanni Coticchio
Study Question: Are specific morphological anomalies in human mature oocytes, as revealed by transmitted light microscopy, associated with intrinsic damage to the meiotic spindle and actin cytoskeleton? SUMMARY ANSWER: Aggregates of smooth endoplasmic reticulum (SER) and domains of centrally localized granular cytoplasm (GC) reflect intrinsic damage to the oocyte cytoskeleton, namely alterations in spindle size, chromosome misalignment and cortical actin disorganization...
March 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333222/ivf-or-iui-as-first-line-treatment-in-unexplained-subfertility-the-conundrum-of-treatment-selection-markers
#7
R I Tjon-Kon-Fat, P Tajik, M H Zafarmand, A J Bensdorp, P M M Bossuyt, G J E Oosterhuis, R van Golde, S Repping, M D A Lambers, E Slappendel, D Perquin, M J Pelinck, J Gianotten, J W M Maas, M J C Eijkemans, F van der Veen, B W Mol, M van Wely
STUDY QUESTION: Are there treatment selection markers that could aid in identifying couples, with unexplained or mild male subfertility, who would have better chances of a healthy child with IVF with single embryo transfer (IVF-SET) than with IUI with ovarian stimulation (IUI-OS)? SUMMARY ANSWER: We did not find any treatment selection markers that were associated with better chances of a healthy child with IVF-SET instead of IUI-OS in couples with unexplained or mild male subfertility...
February 24, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28331619/processing-and-selection-of-surgically-retrieved-sperm-for-icsi-a-review
#8
Greta Verheyen, Biljana Popovic-Todorovic, Herman Tournaye
Although the technique of intracytoplasmic sperm injection (ICSI) has been a revolution in the alleviation of male infertility, the use of testicular sperm for ICSI was a formerly unseen breakthrough in the treatment of the azoospermic man with primary testicular failure. At the clinical level, different procedures of testicular sperm retrieval (conventional TESE, micro-TESE, FNA/TESA, MESA, PESA) are being performed, the choice is mainly based on the cause of azoospermia (obstructive versus non-obstructive) and the surgeon's skills...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28325120/hydrosalpinx-tubal-surgery-or-in-vitro-fertilisation-an-everlasting-dilemma-nowadays-a-narrative-review
#9
A Daniilidis, D Balaouras, D Chitzios, T Theodoridis, E Assimakopoulos
The decision on how to treat tubal diseases, specifically hydrosalpinx, is a difficult one. Ιt involves surgical, medical, social, emotional and economic factors. This narrative review aims to increase awareness of tubal disease diagnosis and treatment, to compare between tubal surgery and in vitro fertilisation (IVF) for tubal factor infertility, and to investigate the effect of the combination of both. This way, we can be more effective, safe and provide our patients with better treatment results. The review analysed randomised studies, trials and meta-analysis, which give new aspects on the treatment methods for tubal pathology before IVF...
March 21, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28324271/anti-mullerian-hormone-concentrations-in-individual-follicular-fluids-within-one-stimulated-ivf-cycle-resemble-blood-serum-values
#10
Michael Schenk, Julia Maria Kröpfl, Barbara Obermayer-Pietsch, Elisabeth Feldmeier, Gregor Weiss
PURPOSE: Anti-Mullerian hormone (AMH) is commonly known as the most potent marker for ovarian reserve due to its decline as female age increases. While serum AMH (sAMH) levels have been intensively investigated, there is less data regarding AMH concentrations in follicular fluid (FF), since FF has usually been designated as waste product during oocyte collection in assisted reproductive technologies. This pilot study investigated follicle AMH concentrations (fAMH) of several follicles per ovary, individually collected with the Steiner-Tan needle, and compared them to sAMH concentrations in women undergoing IVF treatment...
March 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28323291/vaginal-use-of-micronized-progesterone-for-luteal-support-a-randomized-study-comparing-utrogestan%C3%A2-and-crinone%C3%A2-8
#11
Lucie Michnova, Jiri Dostal, Milan Kudela, Petr Hamal, Katerina Langova
BACKGROUND AND OBJECTIVE: Luteal phase physiology is distorted by in vitro fertilization (IVF) cycles using gonadotropin-releasing hormone (GnRH) agonists and antagonists, Controlled ovarian hyperstimulation leads to luteal phase defect and for this reason, luteal phase support is now an integral part of IVF/ICSI-ET programs. The support is provided by hCG, progesterone or GnRH-a. This study compared the efficiency, safety and tolerance of two vaginal micronized progesterones, Utrogestan and Crinone 8%...
March 14, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28322775/pregnancy-and-birth-outcomes-in-couples-with-infertility-with-and-without-assisted-reproductive-technology-with-an-emphasis-on-us-population-based-studies
#12
REVIEW
Barbara Luke
Infertility, defined as the inability to conceive within one year of unprotected intercourse, affects an estimated 80 million individuals worldwide, or 10-15 percent of couples of reproductive age. Assisted reproductive technology (ART) includes all infertility treatments to achieve conception; in vitro fertilization (IVF) is the process by which an oocyte is fertilized by semen outside the body; non-IVF ART treatments include ovulation induction, artificial insemination, and intrauterine insemination. Use of ART has risen steadily in the United States during the past two decades due to several reasons, including childbearing at older maternal ages and increasing insurance coverage...
March 18, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28320729/croydon-ccg-stops-funding-ivf-treatment-to-save-%C3%A2-800%C3%A2-000-a-year
#13
Matthew Limb
No abstract text is available yet for this article.
March 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28319428/two-cases-of-first-onset-intrahepatic-cholestasis-of-pregnancy-associated-with-moderate-ovarian-hyperstimulation-syndrome-after-ivf-treatment-and-review-of-the-literature
#14
Mehmet Firat Mutlu, Koray Aslan, Ismail Guler, Ilknur Mutlu, Mehmet Erdem, Nuray Bozkurt, Ahmet Erdem
Intrahepatic cholestasis of pregnancy (ICP) is an uncommon disorder, which generally occurs in the second and third trimester of pregnancy with symptoms of pruritus. The cause of ICP is unknown but genetic, hormonal and environmental factors contribute to its pathogenesis. The aetiology of ICP is unclear but elevation in oestrogen levels thought to cause ICP is typically seen in the third trimester of pregnancy, and for this reason it is not usually considered in the differential diagnosis of pruritus and liver function disorders in the first trimester of the pregnancy...
March 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28319017/preliminary-investigation-of-the-prevalence-and-implantation-potential-of-abnormal-embryonic-phenotypes-assessed-using-time-lapse-imaging
#15
Amy Barrie, Roy Homburg, Garry McDowell, Jeremy Brown, Charles Kingsland, Stephen Troup
This retrospective, single site observational study aimed to delineate five abnormal embryonic developmental phenotypes, assessing their prevalence, development potential and suitability for inclusion in embryo selection models for IVF. In total, 15,819 embryos from 4559 treatment cycles cultured in EmbryoScope® incubators between January 2014 and January 2016 were included. Time-lapse images were assessed retrospectively for five abnormal embryo phenotypes: direct cleavage, reverse cleavage, absent cleavage, chaotic cleavage and cell lysis...
March 1, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28315625/endometrial-injury-for-women-with-previous-in-vitro-fertilization-failure-does-it-improve-pregnancy-rate
#16
(no author information available yet)
Implantation failure is one of the major factors limiting success of in vitro fertilization (IVF) treatment. According to ESHRE 2009 data only 32% of fresh embryo transfers resulted in clinical pregnancies. There are many ideas to improve the treatment outcomes, endometrial injury being one of them. It has been suggested that local endometrial injury, performed either by pipelle biopsy or hysteroscopy, may increase clinical pregnancy rate. However, up to date literature is widely disparate on that subject. There is no conclusion with regard to optimal timing, the number and technique of the procedure...
November 19, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28314652/corrigendum-to-hysteroscopy-prior-to-a-first-ivf-treatment-cycle-the-need-for-well-performed-rct-reproductive-biomedicine-online-29-2014-142-142
#17
Janine G Smit, Helen L Torrance, Frank Jm Broekmans, Ben-Willem Mol
No abstract text is available yet for this article.
March 14, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28306560/growth-hormone-in-ivf-cycles-any-hope
#18
Roger J Hart, Luk Rombauts, Robert J Norman
PURPOSE OF REVIEW: Growth hormone (GH) has been used as an adjunct in ovulation induction and IVF for 25 years, particularly as an adjunct to ovarian stimulation for women who had a previous poor response to stimulation in an IVF cycle. It does not have US Food and Drug Administration approval for this use. Unfortunately, due to the problems inherent with recruiting women who have undergone unsuccessful IVF treatment cycles and their inevitable low live birth rate per initiated cycle, many studies performed to date have been underpowered...
March 16, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28306344/live-birth-after-replacement-of-an-embryo-obtained-from-a-spontaneously-in-vitro-matured-metaphase-i-oocyte
#19
Paloma Piqueras, Miguel Gallardo, María Hebles, Juan Manuel Jiménez, Beatriz Migueles, Lorena Montero, Fernando Sánchez-Martín, Pascual Sánchez-Martín
This case report describes a live birth after the fresh replacement of an embryo obtained from a spontaneously in vitro matured oocyte. The patient was subjected to controlled ovarian stimulation for IVF treatment, obtaining two oocytes. One was found to be immature at the time of denudation, at metaphase-I. This immature oocyte was kept in culture overnight in standard conditions along with the second oocyte - which was mature but failed to fertilize - spontaneously achieving metaphase-II, and was subjected to ICSI...
March 17, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28302936/cryotolerance-of-porcine-blastocysts-is-improved-by-treating-in-vitro-matured-oocytes-with-l-carnitine-prior-to-fertilization
#20
Jenna L Lowe, Louise K Bartolac, Roslyn Bathgate, Christopher G Grupen
Sufficient generation of adenosine triphosphate (ATP) by oocytes is critical for fertilization and embryo development. The objective of this study was to determine the effects of supplementing media with L-carnitine, a co-factor required for the metabolism of fatty acids, during the peri-fertilization period on embryo development and energy generation. Firstly, in vitro fertilization (IVM) porcine oocytes were co-incubated with sperm in IVF medium supplemented with 0‒24 mM L-carnitine. The blastocyst formation rate of the control group was greater than those of the L-carnitine groups (P < 0...
March 16, 2017: Journal of Reproduction and Development
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