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Reproductive Biomedicine Online

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https://www.readbyqxmd.com/read/28087350/corrigendum-to-pregnancy-derived-from-human-zygote-pronuclear-transfer-in-a-patient-who-had-arrested-embryos-after-ivf-reproductive-biomedicine-online-33-2016-529-533
#1
John Zhang, Guanglun Zhuang, Yong Zeng, Jamie Grifo, Carlo Acosta, Yimin Shu, Hui Liu
No abstract text is available yet for this article.
January 10, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28089077/the-changing-pattern-of-uterine-contractions-before-and-after-fresh-embryo-transfer-and-its-relation-to-clinical-outcome
#2
Cathy Hoi Sze Chung, Alice Wai Yee Wong, Carol Pui Shan Chan, Sotirios H Saravelos, Grace Wing Shan Kong, Lai Ping Cheung, Jacqueline Pui Wah Chung, Tin Chiu Li
In this prospective cohort study of 286 women undergoing fresh embryo transfer after IVF, uterine contraction frequency and direction were measured before (-5 min), 5 min after (+5 min) and 60 min after (+60 min) embryo transfer. Mean ± SD uterine contraction frequency at -5 min was 1.8 ± 1.1 contractions per min, increasing significantly (P < 0.05) to 2.0 ± 1.1 at +5 min, and returning back to baseline 1.8 ± 1.1 at +60 min. At -5 min, the proportion of women the with retrograde, antegrade, indeterminate direction and absent contractions were 33%, 44%, 17% and 6%; at +5 min, 40%, 42%, 13% and 5%, and at +60 min, 42%, 38%, 14% and 6%...
December 23, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28040414/reproductive-outcomes-of-ivf-patients-with-unicornuate-uteri
#3
Kemal Ozgur, Hasan Bulut, Murat Berkkanoglu, Kevin Coetzee
In this retrospective observational study, the pregnancy, perinatal and obstetric outcomes of patients diagnosed with unicornuate uteri were compared with those of patients with normal uteri after undergoing intracytoplasmic sperm injection (ICSI) with fresh and cryopreserved embryo transfer. From a select population of 9676 infertile patients receiving IVF treatment, 75 (0.78%) were diagnosed with unicornuate uteri between January 2009 and December 2015. Fifty of them underwent ICSI treatment, with 90 fresh and cryopreserved embryo transfers...
December 23, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28041830/luteal-phase-hcg-support-for-unexplained-recurrent-pregnancy-loss-a-low-hanging-fruit
#4
Chelsea Fox, Denise Azores-Gococo, Linda Swart, Kristin Holoch, Ricardo F Savaris, Creighton E Likes, Paul B Miller, David A Forstein, Bruce A Lessey
Recurrent pregnancy loss (RPL) is defined by two or more failed pregnancies and accounts for only 1-5% of pregnancy failures. Treatment options for unexplained RPL (uRPL) are limited. Previous studies suggest a link between delayed implantation and pregnancy loss. Based on this, a timely signal for rescue of the corpus luteum (CL) using human chorionic gonadotrophin (HCG) could improve outcomes in women with uRPL. This retrospective cohort study included 98 subjects with uRPL: 45 underwent 135 monitored cycles without HCG support; and 53 underwent 142 cycles with a single mid-luteal HCG injection...
December 21, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28040412/management-of-endometrial-polyps-incidentally-diagnosed-during-ivf-a-case-control-study
#5
Jehn-Hsiahn Yang, Po-Kai Yang, Mei-Jou Chen, Shee-Uan Chen, Yu-Shih Yang
An endometrial polyp is a frequently encountered abnormality of the uterine cavity that may interfere with normal embryo implantation. In this case-control study, we enrolled 56 women in whom endometrial polyps were incidentally diagnosed by transvaginal ultrasound and office hysteroscopy during IVF (Group 1), and 112 age-matched IVF controls randomly selected from the same time period (group 2). Cryopreserved embryos were transferred in group 1 whereas fresh embryos were transferred in group 2, which is a limitation of the study...
December 21, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28065417/assisted-reproduction-technique-outcomes-for-fresh-versus-deferred-cryopreserved-day-2-embryo-transfer-a-retrospective-matched-cohort-study
#6
Mathilde Bourdon, Pietro Santulli, Vanessa Gayet, Chloé Maignien, Louis Marcellin, Khaled Pocate-Cheriet, Charles Chapron
Ovarian stimulation could adversely affect endometrial receptivity and consequently embryo implantation. One emerging strategy is the 'freeze-all' approach. Most studies have focused on blastocyst transfers, with limited research on day-2 deferred cryopreserved embryo transfers. In this large retrospective cohort study, outcomes were compared between day-2 fresh versus deferred cryopreserved embryo transfers. After matching by age and number of previous cycles, 325 cycles were included in the fresh group and 325 in the deferred cryopreserved embryo transfers group: no significant differences were found between groups in implantation (0...
December 19, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28063801/effect-of-mid-follicular-phase-recombinant-lh-versus-urinary-hcg-supplementation-in-poor-ovarian-responders-undergoing-ivf-a-prospective-double-blinded-randomized-study
#7
Sze Man Jennifer Mak, Wai Yee Wong, Hoi Sze Chung, Pui Wah Chung, Grace Wing Shan Kong, Tin Chiu Li, Lai Ping Cheung
Luteinizing hormone (LH) is crucial for the development of follicular growth and oocyte maturation, especially in the management of poor ovarian responders (PORs). This study presents the results of a prospective double-blinded randomized study to compare the effect of mid-follicular phase recombinant LH (rLH) supplementation with urinary human chorionic gonadotrophin (uHCG) supplementation when using a fixed gonadotrophin-releasing hormone (GnRH) antagonist protocol in IVF cycles. A total of 49 women with poor ovarian response (POR) according to the Bologna criteria were recruited...
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28041829/cryopreserved-embryo-transfer-adjacent-or-non-adjacent-to-failed-fresh-long-gnrh-agonist-protocol-ivf-cycle
#8
Alexander Volodarsky-Perel, Talia Eldar-Geva, Hananel E G Holzer, Oshrat Schonberger, Orna Reichman, Michael Gal
The optimal time to perform cryopreserved embryo transfer (CET) after a failed oocyte retrieval-embryo transfer (OR-ET) cycle is unknown. Similar clinical pregnancy rates were recently reported in immediate and delayed CET, performed after failed fresh OR-ET, in cycles with the gonadotrophin-releasing hormone (GnRH) antagonist protocol. This study compared outcomes of CET performed adjacently (<50 days, n = 67) and non-adjacently (≥50 to 120 days, n = 62) to the last OR-day of cycles with the GnRH agonist down-regulation protocol...
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28038848/social-psychogenic-stress-promotes-the-development-of-endometriosis-in-mouse
#9
Sun-Wei Guo, Qi Zhang, Xishi Liu
Exposure to chronic stress before and well after the induction of endometriosis is reported to increase lesion sizes in rats, but it is unclear whether stress, exposed shortly after the induction of endometriosis, would also promote the development of endometriosis, nor is it clear what the underlying possible molecular mechanism is. This study was undertaken to test the hypothesis that chronic stress can promote the development of endometriosis. A prospective randomized mouse experiment was conducted that subjected mice with induced endometriosis to predator stress...
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28038847/inconsistency-in-three-parent-ivf-study
#10
LETTER
Dieter Egli
No abstract text is available yet for this article.
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28034689/response-inconsistency-in-three-parent-ivf-study
#11
LETTER
John Zhang
No abstract text is available yet for this article.
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28034688/assessing-ooplasm-maturity
#12
LETTER
Alejandro Chavez-Badiola, Ricardo Acuña
No abstract text is available yet for this article.
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28040413/in-search-of-an-improved-injection-technique-for-the-clinical-application-of-spermatogonial-stem-cell-transplantation
#13
Katrien Faes, Tony Lahoutte, Anne Hoorens, Herman Tournaye, Ellen Goossens
When fertility is impaired by anticancer treatment, spermatogonial stem cell transplantation (SSCT) could be used as a fertility restoration technique later on in life. Previously, we have demonstrated that a testicular cell suspension could be injected into a human cadaver testis, however, leakage to the interstitium was observed. In this study, injection of mouse testicular cells at an injection height of 50 cm (hydrostatic pressure) or via an automated injection pump (1400 µl, 2600 µl and 3000 µl) was evaluated...
December 15, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28034687/-model-versus-everyday-patients-can-randomized-controlled-trial-data-really-be-applied-to-the-clinic
#14
Eliyakim Hershkop, Linoy Segal, Ofer Fainaru, Shahar Kol
New drug approval requires a new drug to undergo rigorous clinical trials to determine its efficacy and safety. A drug is approved only for the population on which it was tested, i.e. those who meet the inclusion criteria of the trial. The aim of this study was to determine what percentage of 'real life' patients in our clinic meet the inclusion and exclusion criteria used in large-scale clinical trials required for drug registration in the field of assisted reproduction. All 265 consecutive patients with pertinent data treated in a tertiary centre IVF Unit during 2015 were surveyed...
December 15, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28024934/response-assessing-ooplasm-maturity
#15
LETTER
Nigel Pereira, Rony T Elias, Gianpiero D Palermo
No abstract text is available yet for this article.
December 15, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28017538/sedimentation-properties-in-density-gradients-correspond-with-levels-of-sperm-dna-fragmentation-chromatin-compaction-and-binding-affinity-to-hyaluronic-acid
#16
Forough Torabi, Adel Binduraihem, David Miller
Mature spermatozoa bind hyaluronic acid in the extracellular matrix via hyaladherins. Immature spermatozoa may be unable to interact because they do not express the appropriate hyaladherins on their surface. Fresh human semen samples were fractionated using differential density gradient centrifugation (DDGC) and the ability of these fractions to bind hyaluronic acid was evaluated. The presence of sperm hyaladherins was also assessed. CD44 was located mainly on the hyaluronic and equatorial segment and became more restricted to the equatorial segment in capacitated spermatozoa...
December 15, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28012790/the-role-of-parental-microrna-alleles-in-recurrent-pregnancy-loss-an-association-study
#17
Mona Amin-Beidokhti, Reza Mirfakhraie, Shohreh Zare-Karizi, Fatemeh Karamoddin
The medical evaluation of recurrent pregnancy loss (RPL), the occurrence of two or more consecutive pregnancy losses prior to 20th week of gestation, is mainly focused on maternal factors. However, paternally expressed genes may also play a role in implantation and placenta quality. This study aimed to investigate the possible association between parental miR-196a2C>T and miR-499aT>C polymorphisms and RPL in a case-control study including 200 RPL couples and 400 healthy men and women. Genotyping was performed using Tetra-ARMS-PCR and PCR-RFLP for miR-196a2C>T and miR-499aT>C polymorphisms, respectively...
December 13, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/27908601/corrigendum-to-a-pregnancy-with-discordant-fetal-and-placental-chromosome-18-aneuploidies-revealed-by-invasive-and-noninvasive-prenatal-diagnosis-reproductive-biomedicine-online-29-2014-136-139
#18
Chong Chen, David S Cram, Fanni Xie, Ping Wang, Xueqin Xu, Huanzheng Li, Zhuo Song, Di Chen, Jianguang Zhang, Shaohua Tang
No abstract text is available yet for this article.
November 28, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/27938863/embryos-with-morphokinetic-abnormalities-may-develop-into-euploid-blastocysts
#19
C Lagalla, N Tarozzi, R Sciajno, D Wells, M Di Santo, M Nadalini, V Distratis, A Borini
Irregular cleavage divisions are expected to produce chromosomally deviant embryos. We investigated whether embryos from irregular cleavages could develop into euploid blastocysts, and, if so, whether any evidence existed of a self-correction mechanism of the embryo. We also investigated the role of different dynamic aspects of morula compaction in this process. A total of 791 embryos from 141 patients undergoing pre-implantation genetic screening were retrospectively analysed using a time-lapse imaging system, and multiple cell divisions were evaluated...
November 24, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/27986413/stomatin-like-protein-2-is-involved-in-endometrial-stromal-cell-proliferation-and-differentiation-during-decidualization-in-mice-and-humans
#20
Qian Feng, Zhuo-Ying Hu, Xue-Qing Liu, Xue Zhang, Xi Lan, Yan-Qing Geng, Xue-Mei Chen, Jun-Lin He, Ying-Xiong Wang, Yu-Bin Ding
The molecular mechanisms underlying endometrial stromal cell proliferation and differentiation (decidualization) are still not fully understood. This study revealed that increased Slp-2 expression is a significant factor modulating endometrial stromal cell proliferation and decidualization in both mice and humans. Our results showed a significant difference in the mRNA and protein levels between the implantation site and inter-implantation site on day 5 and day 6 of pregnancy in mice (all P < 0.05). Strong Slp-2 immunostaining was mainly localized within the decidual zone of mice through the post-implantation period...
November 23, 2016: Reproductive Biomedicine Online
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