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Ózd, Hungary

Vrontikis A.,Center for Reproductive Health | Chang P.L.,Beth Israel Center for Infertility and Reproductive Health | Kovacs P.,Kaali Institute | Lindheim S.R.,Center for Reproductive Health
Journal of Assisted Reproduction and Genetics | Year: 2010

Purpose: Antral follicle count (AFC) is used as a marker of ovarian response. We assessed its value in predicting pregnancy outcomes in ovum donation cycles by retrospective review. Methods: Oocyte donors (n=94) underwent ovarian hyperstimulation using rFSH and GnRH-antagonists. Recipients were synchronized using GnRH-agonist down-regulation followed by fixed dose of estrogen and progesterone following hCG. Outcomes measured included correlation of AFC to pregnancy outcomes and cycle characteristics in those with and without clinical and ongoing-delivered cycles. Results: AFC significantly correlated with clinical [Exp β 1.12; 95% CI: 1.02-1.23, p<0.05] and ongoing-delivered pregnancy [Exp β 1.10; 95% CI: 1.01-1.20, p<0.05]. Significantly greater AFC, total and M-2 oocytes, and cycles resulting in cryopreserved embryos were seen in clinical and ongoing-delivered cycles. Conclusions: AFC predicts cycle stimulation responses and clinical outcomes and may serve as a guide for dosing protocols and in choosing to proceed with the most optimal cycle. © 2010 Springer Science+Business Media, LLC. Source

Cserepes R.E.,Debrecen University | Bugan A.,Debrecen University | Korosi T.,Kaali Institute | Toth B.,University of Heidelberg | And 3 more authors.
Geburtshilfe und Frauenheilkunde | Year: 2014

As gender role attitudes and the evaluation of parenthood and childlessness have subtle variations in each society, cross-country studies focusing on infertility are needed to draw a complex picture in the psychosocial context of infertility. This study investigates similarities and differences between German and Hungarian infertile couples regarding infertility specific quality of life and personal gender role attitudes.Methods: A cross-sectional study was conducted with data of 540 participants (270 couples) attending the first fertility consultation in one fertility clinic in Germany and in five fertility clinics in Hungary. Data were collected between February 2012 and March 2013. Two psychological questionnaires were applied: The FertiQoL to measure infertility specific quality of life and the PAQ to measure gender role attitudes like "instrumental" acting (as a traditional "masculine" attitude) and "expressive" communicating (as a traditional "femine" attitude) and their combinations "combined" attitude (as both "instrumental" and "expressive") and "neutral" attitude (neither "instrumental" nor "expressive").Results: German couples seeking assisted reproduction treatment are older aged and have longer lasting relationships than Hungarian couples. Hungarian couples scored higher on all quality of life scales than did German couples. In the Hungarian group, "combined" attitudes (use of both "expressive" and "instrumental" attitudes) is associated with higher levels of quality of life compared with other gender role attitudes. In the German group, individuals with "combined" attitudes seem to show better quality of life than those in "expressive" and "neutral" clusters.Conclusions: The strategy of using combined "expressive" and "instrumental" attitudes proved to act as a buffer against infertility-related stress for both members of the couple in two European countries and can therefore be recommended as helpful in counselling the infertile couple. © Georg Thieme Verlag KG Stuttgart. Source

Bock I.,Szent Istvan University | Bock I.,BioTalentum Ltd | Raveh-Amit H.,BioTalentum Ltd | Losonczi E.,Szent Istvan University | And 7 more authors.
Reproduction, Fertility and Development | Year: 2016

The efficiency of various assisted reproductive techniques can be improved by preconditioning the gametes and embryos with sublethal hydrostatic pressure treatment. However, the underlying molecular mechanism responsible for this protective effect remains unknown and requires further investigation. Here, we studied the effect of optimised hydrostatic pressure treatment on the global gene expression of mouse oocytes after embryonic genome activation. Based on a gene expression microarray analysis, a significant effect of treatment was observed in 4-cell embryos derived from treated oocytes, revealing a transcriptional footprint of hydrostatic pressure-affected genes. Functional analysis identified numerous genes involved in protein synthesis that were downregulated in 4-cell embryos in response to hydrostatic pressure treatment, suggesting that regulation of translation has a major role in optimised hydrostatic pressure-induced stress tolerance. We present a comprehensive microarray analysis and further delineate a potential mechanism responsible for the protective effect of hydrostatic pressure treatment. © CSIRO 2016. Source

Kovacs P.,Kaali Institute
Journal of Obstetrics and Gynecology of India | Year: 2014

Cancer may be detected at any age and could affect children, and reproductive age women as well. In recent years, cancer treatment has become less destructive and more specific. As a result, survival rates and quality of life following successful treatment have continuously improved. Cancer treatment typically involves surgery, chemo- or radiation therapy, or the combinations of these. These interventions often adversely affect the function of the reproductive organs. Chemo- and radiation therapy are known to be gonadotoxic. Survivors of oncologic therapy are typically rendered infertile primarily due to the loss of ovarian function. There are, however, several medical, surgical, and assisted reproductive technology options that could be and should be offered to those diagnosed with cancer and wish to maintain their fertility. Embryo cryopreservation has been available for decades and has been successfully applied for fertility preservation in women diagnosed with cancer. Recent advances in cryobiology have increased the efficacy of not just embryo but even oocyte and ovarian tissue freezing–thawing. Oocyte vitrification just like embryo cryopreservation requires the use of stimulation but does not require the patient to be in a stable relationship or accept the use of donor sperm. Ovarian tissue cryopreservation does not require stimulation and, following successful transplantation, provides the patient with the most eggs but is currently still considered experimental. This paper summarizes the various fertility-sparing medical, surgical and assisted reproductive technology options. It reviews the current status of embryo, oocyte, and ovarian tissue cryopreservation and discusses their risks and benefits. © 2014, Federation of Obstetric & Gynecological Societies of India. Source

Porat N.,Tel Aviv University | Porat N.,University of Wisconsin - Madison | Boehnlein L.M.,University of Wisconsin - Madison | Barker M.A.,Good Samaritan Hospital | And 2 more authors.
Journal of Obstetrics and Gynaecology Research | Year: 2010

Aim: Using oocyte donation cycles as an ideal model, we sought to compare pregnancy and implantation rates in cleavage stage (day 3) versus blastocyst stage (day 6) embryo transfers (ET); assess the predictive value of blastocyst formation rates based on cleavage cell stage and morphology grade; and evaluate the ability to predict formation of high quality (HQ) blastocysts. Methods: Ninety three consecutive oocyte donation cycles from July 2003 to August 2005 were retrospectively evaluated and analyzed to determine if either resulted in a cleavage stage (n = 30) or blastocyst (n = 45) ET. The primary outcomes measured pregnancy rates, the percent development of HQ blastocysts based on day 3 embryo status, and the ability to select day 3 embryos suitable for transfer among four blinded evaluators by assessing their day 6 embryo outcome. Results: Cleavage stage ET resulted in significantly lower pregnancy rates, clinical pregnancy rates, and implantation rates (47% [n = 14/30]; 40% [n = 12/30] and 27 ± 7%) compared to blastocyst stage (82% [n = 37/45]; 73% [n = 33/45] and 64 ± 6% [±SE], P < 0.01). In total, HQ blastocysts resulted from high and good quality day 3 embryos 35% (191/546) and 17% (93/546), respectively. Blinded evaluation revealed at least one, two or all three day 3 embryos were correctly selected for ET on day 6, 97%, 67% and 19%, respectively. Conclusion: Day 6 ET resulted in significantly better clinical outcomes compared to day 3 ET. While day 3 status is not predictive of blastocyst quality, the selection of at least one day 3 embryo ultimately suitable for blastocyst ET underscores the significance of optimal endometrial receptivity. © 2010 Japan Society of Obstetrics and Gynecology. Source

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