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Human Reproduction

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https://www.readbyqxmd.com/read/29211889/reduced-live-birth-rates-after-ivf-icsi-in-women-with-previous-unilateral-oophorectomy-results-of-a-multicentre-cohort-study
#1
Tekla Lind, Jan Holte, Jan I Olofsson, Nermin Hadziosmanovic, Johannes Gudmundsson, Elizabeth Nedstrand, Mikael Lood, Lars Berglund, Kenny Rodriguez-Wallberg
STUDY QUESTION: Is there a reduced live-birth rate (LBR) after IVF/ICSI treatment in women with a previous unilateral oophorectomy (UO)? SUMMARY ANSWER: A significantly reduced LBR after IVF/ICSI was found in women with previous UO when compared with women with intact ovaries in this large multicentre cohort, both crudely and after adjustment for age, BMI, fertility centre and calendar period and regardless of whether the analysis was based on transfer of embryos in the fresh cycle only or on cumulative results including transfers using frozen-thawed embryos...
December 4, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29211842/maternal-age-at-birth-and-daughters-subsequent-childlessness
#2
O Basso, C R Weinberg, A A D'Aloisio, D P Sandler
STUDY QUESTION: Does maternal age at a daughter's birth predict her subsequent probability of lifelong childlessness? SUMMARY ANSWER: In this study population, women born to older mothers were more likely to be childless. WHAT IS KNOWN ALREADY: Although maternal age at childbearing is increasing in many countries, there is limited evidence on whether being born to older parents may influence offspring fertility. STUDY DESIGN SIZE AND DURATION: This analysis included 43 135 women from the US-based Sister Study, a cohort study of 50 884 sisters of women with breast cancer recruited between 2003 and 2009...
December 4, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29207007/fertility-preservation-in-women-harboring-deleterious-brca-mutations-ready-for-prime-time
#3
Fedro Alessandro Peccatori, Giorgia Mangili, Alice Bergamini, Francesca Filippi, Fabio Martinelli, Federica Ferrari, Stefania Noli, Emanuela Rabaiotti, Massimo Candiani, Edgardo Somigliana
Fertility issues have become critical in the management and counseling of BRCA mutation carriers. In this setting four points deserve consideration. (1) Women in general lose their ability to conceive at a mean age of 41 years, thus the suggested policy of prophylactic bilateral salpingo-oophorectomy at age 40 for BRCA mutation carriers does not affect the chances of natural pregnancy. Conversely, if the procedure is chosen at 35 years old, oocyte cryopreservation prior to surgery should be considered. (2) Some evidence suggests that ovarian reserve may actually be partly reduced in BRCA mutations carriers and that the mutation may affect ovarian responsiveness to stimulation...
December 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29206944/the-direct-and-indirect-effects-of-kisspeptin-54-on-granulosa-lutein-cell-function
#4
L A Owens, A Abbara, A Lerner, S O'floinn, G Christopoulos, S Khanjani, R Islam, K Hardy, A C Hanyaloglu, S A Lavery, W S Dhillo, S Franks
STUDY QUESTION: What are the in vivo and in vitro actions of kisspeptin-54 on the expression of genes involved in ovarian reproductive function, steroidogenesis and ovarian hyperstimulation syndrome (OHSS) in granulosa lutein (GL) cells when compared with traditional triggers of oocyte maturation? SUMMARY ANSWER: The use of kisspeptin-54 as an oocyte maturation trigger augmented expression of genes involved in ovarian steroidogenesis in human GL cells including, FSH receptor (FSHR), LH/hCG receptor (LHCGR), steroid acute regulatory protein (STAR), aromatase, estrogen receptors alpha and beta (ESR1, ESR2), 3-beta-hydroxysteroid dehydrogenase type 2 (3BHSD2) and inhibin A (INHBA), when compared to traditional maturation triggers, but did not alter markers of OHSS...
December 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29206943/time-to-redefine-endometriosis-including-its-pro-fibrotic-nature
#5
P Vigano, M Candiani, A Monno, E Giacomini, P Vercellini, E Somigliana
Endometriosis is currently defined as presence of endometrial epithelial and stromal cells at ectopic sites. This simple and straightforward definition has served us well since its original introduction. However, with advances in disease knowledge, endometrial stromal and glands have been shown to represent only a minor component of endometriotic lesions and they are often absent in some disease forms. In rectovaginal nodules, the glandular epithelium is often not surrounded by stroma and frequently no epithelium can be identified in the wall of ovarian endometriomas...
December 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29206936/birthweight-of-singletons-born-after-cleavage-stage-or-blastocyst-transfer-in-fresh-and-warming-cycles
#6
Anick De Vos, Samuel Santos-Ribeiro, Lisbet Van Landuyt, Hilde Van de Velde, Herman Tournaye, Greta Verheyen
STUDY QUESTION: Does extended culture to the blastocyst stage affect singleton birthweight after either fresh or vitrified-warmed embryo transfer? SUMMARY ANSWER: Singleton birthweight z-scores did not vary significantly after a fresh blastocyst transfer, whereas the additional effect of vitrification remains inconclusive. WHAT IS KNOWN ALREADY: Observational studies have associated extended culture with an increased risk of preterm birth and low birthweight...
December 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29194531/conservative-surgery-versus-colorectal-resection-in-deep-endometriosis-infiltrating-the-rectum-a-randomized-trial
#7
Horace Roman, Michael Bubenheim, Emmanuel Huet, Valérie Bridoux, Chrysoula Zacharopoulou, Emile Daraï, Pierre Collinet, Jean-Jacques Tuech
STUDY QUESTION: Is there a difference in functional outcome between conservative versus radical rectal surgery in patients with large deep endometriosis infiltrating the rectum 2 years postoperatively? SUMMARY ANSWER: No evidence was found that functional outcomes differed when conservative surgery was compared to radical rectal surgery for deeply invasive endometriosis involving the bowel. WHAT IS KNOWN ALREADY: Adopting a conservative approach to the surgical management of deep endometriosis infiltrating the rectum, by employing shaving or disc excision, appears to yield improved digestive functional outcomes...
November 29, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29194495/reply-clinical-trial-registry-alone-is-not-adequate-on-the-perception-of-possible-endpoint-switching-and-p-hacking
#8
Ali Abbara, Sophie Clarke, Rumana Islam, Julia K Prague, Alexander Comninos, Shakunthala Narayanaswamy, Deborah A Papadopoulou, Rachel E Roberts, Chioma N Izzi-Engbeaya, Risheka Ratnasabapathy, Alexander Nesbitt, Sunitha Vimalesvaran, Rehan Salim, Stuart A Lavery, Stephen R Bloom, Les Huson, Geoffrey H Trew, Waljit S Dhillo
No abstract text is available yet for this article.
November 29, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29194480/clinical-trial-registry-alone-is-not-adequate-on-the-perception-of-possible-endpoint-switching-and-p-hacking
#9
Micah J Hill, Matthew T Connell, George Patounakis
No abstract text is available yet for this article.
November 29, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29190387/chronic-hyperandrogenemia-in-the-presence-and-absence-of-a-western-style-diet-impairs-ovarian-and-uterine-structure-function-in-young-adult-rhesus-monkeys
#10
Cecily V Bishop, Emily C Mishler, Diana L Takahashi, Taylor E Reiter, Kise R Bond, Cadence A True, Ov D Slayden, Richard L Stouffer
STUDY QUESTION: Does chronic hyperandrogenemia beginning at menarche, in the absence and presence of a western-style diet (WSD), alter ovarian and uterine structure-function in young adult rhesus monkeys? SUMMARY ANSWER: Phenotypic alterations in ovarian and uterine structure/function were induced by exogenous testosterone (T), and compounded in the presence of a WSD (T+WSD). WHAT IS KNOWN ALREADY: Hyperandrogenemia is a well-established component of PCOS and is observed in adolescent girls, indicating a potential pubertal onset of disease symptoms...
November 28, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29190346/broad-support-for-regulating-the-clinical-implementation-of-future-reproductive-techniques
#11
S Hendriks, R Vliegenthart, S Repping, E A F Dancet
STUDY QUESTION: Do gynaecologists, infertile patients and the general public, consider that regulation of the clinical implementation of stem cell-based fertility treatments is required? SUMMARY ANSWER: There is broad support from gynaecologists, patients and the general public for regulating the clinical implementation of future stem cell-based fertility treatments. WHAT IS KNOWN ALREADY: There is debate on the need to regulate the clinical implementation of novel techniques...
November 28, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29186413/antenatal-paternal-adjustment-and-paternal-attitudes-after-infertility-treatment
#12
T M Pinto, C Samorinha, I Tendais, S Silva, B Figueiredo
STUDY QUESTION: Do mode of conception [ART versus Natural (NC)] and depression have an interactive effect on antenatal paternal adjustment and paternal attitudes? SUMMARY ANSWER: Depression increased the negative effect of ART on antenatal paternal adjustment and paternal attitudes, specifically on antenatal marital relationship satisfaction. WHAT IS KNOWN ALREADY: Research on antenatal paternal adjustment and paternal attitudes after ART is scarce and has produced inconsistent results...
November 24, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29182737/health-related-knowledge-beliefs-and-self-efficacy-in-women-with-polycystic-ovary-syndrome
#13
Annie W Lin, Jamie S Dollahite, Jeffery Sobal, Marla E Lujan
STUDY QUESTION: Do health-related knowledge, beliefs and self-efficacy differ between women with and without polycystic ovary syndrome (PCOS)? SUMMARY ANSWER: Women with PCOS felt at greater risk for adverse health outcomes, yet believed a healthy lifestyle was less beneficial to prevent weight gain relative to a comparison group. WHAT IS KNOWN ALREADY: Diet and physical activity are often used to treat PCOS, but there are high attrition rates and less engagement in self-help methods...
November 22, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29177428/corrigendum-low-serum-progesterone-on-the-day-of-embryo-transfer-is-associated-with-a-diminished-ongoing-pregnancy-rate-in-oocyte-donation-cycles-after-artificial-endometrial-preparation-a-prospective-study
#14
E Labarta, G Mariani, N Holtmann, P Celada, J Remohi, E Bosch
No abstract text is available yet for this article.
November 21, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29165686/optimal-timing-for-blastomere-biopsy-of-8-cell-embryos-for-preimplantation-genetic-diagnosis
#15
Y Kalma, L Bar-El, S Asaf-Tisser, M Malcov, A Reches, J Hasson, H Amir, F Azem, D Ben-Yosef
STUDY QUESTION: What is the optimal timing for blastomere biopsy during the 8-cell stage, at which embryos will have the best implantation potential? SUMMARY ANSWER: Fast-cleaving embryos that are biopsied during the last quarter (Q4) of the 8-cell stage and are less affected by the biopsy procedure, and their implantation potential is better than that of embryos biopsied earlier during the 8-cell stage (Q1-Q3). WHAT IS KNOWN ALREADY: Blastomer biopsy from cleavage-stage embryos is usually performed on the morning of Day 3 when the embryos are at the 6- to 8-cell stage and is still the preferred biopsy method for preimplantation genetic diagnosis (PGD) for monogentic disorders or chromosomal translocations...
November 20, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29165671/battling-bias
#16
J L H Hans Evers
No abstract text is available yet for this article.
November 18, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29165645/down-regulation-of-mir-378a-3p-induces-decidual-cell-apoptosis-a-possible-mechanism-for-early-pregnancy-loss
#17
Lihua Hong, Tiantian Yu, Haiyan Xu, Ningning Hou, Qi Cheng, Lihua Lai, Qingqing Wang, Jianzhong Sheng, Hefeng Huang
STUDY QUESTION: Do microRNAs (miRNAs) contribute to human early pregnancy loss (EPL)? SUMMARY ANSWER: miR-378a-3p expression is regulated by progesterone and is down-regulated in ducidua of EPL patients which may contribute to decidual apoptosis through Caspase-3 activation. WHAT IS KNOWN ALREADY: A variety of miRNAs have been demonstrated to be associated with the development of decidualization and placental formation. However, little has been reported on the roles of miRNA in the pathogenesis of EPL...
November 18, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29165614/long-term-health-in-recipients-of-transplanted-in-vitro-propagated-spermatogonial-stem-cells
#18
Callista L Mulder, Lisa A E Catsburg, Yi Zheng, Cindy M de Winter-Korver, Saskia K M van Daalen, Madelon van Wely, Steven Pals, Sjoerd Repping, Ans M M van Pelt
STUDY QUESTION: Is testicular transplantation of in vitro propagated spermatogonial stem cells associated with increased cancer incidence and decreased survival rates in recipient mice? SUMMARY ANSWER: Cancer incidence was not increased and long-term survival rate was not altered after transplantation of in vitro propagated murine spermatogonial stem cells (SSCs) in busulfan-treated recipients as compared to non-transplanted busulfan-treated controls. WHAT IS KNOWN ALREADY: Spermatogonial stem cell autotransplantation (SSCT) is a promising experimental reproductive technique currently under development to restore fertility in male childhood cancer survivors...
November 18, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29149327/focused-time-lapse-analysis-reveals-novel-aspects-of-human-fertilization-and-suggests-new-parameters-of-embryo-viability
#19
G Coticchio, M Mignini Renzini, P V Novara, M Lain, E De Ponti, D Turchi, R Fadini, M Dal Canto
STUDY QUESTION: Can focused application of time-lapse microscopy (TLM) lead to a more detailed map of the morphokinetics of human fertilization, revealing novel or neglected aspects of this process? SUMMARY ANSWER: Intensive harnessing of TLM reveals novel or previously poorly characterised phenomena of fertilization, such as a cytoplasmic wave (CW) preceding pronuclear formation and kinetics of pronuclear chromatin polarization, thereby suggesting novel non-invasive biomarkers of embryo quality...
November 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29149265/survey-of-reproductive-experiences-and-outcomes-of-cancer-survivors-who-stored-reproductive-material-before-treatment
#20
K Hammarberg, M Kirkman, C Stern, R I McLachlan, G Clarke, F Agresta, D Gook, L Rombauts, B Vollenhoven, J R W Fisher
No abstract text is available yet for this article.
November 15, 2017: Human Reproduction
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