Efficiency of cryoperenosis depending on various factors by N V Protopopova, E B Druzhinina, U V Mylnikova, N A Boldonova, J A Dvoryanov, K V Krylova, A V Labygina, I I Kovalenko

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A 3D-Printed Large Holding Capacity Device for Minimum Volume Cooling Vitrification of Embryos in Prolific Livestock Species by Francisco Marco-Jiménez, Ximo Garcia-Dominguez, Luís García-Valero, José S. Vicente

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Molecular profiling of human blastocysts reveals primitive endoderm defects among embryos of decreased implantation potential by Jennifer N. Chousal, Robert Morey, Srimeenakshi Srinivasan, Katherine Lee, Wei Zhang, Ana Lisa Yeo, Cuong To, Kyucheol Cho, V. Gabriel Garzo, Mana M. Parast, Louise C. Laurent, Heidi Cook-Andersen

“…We leverage clinical morphologic grading—known for decades to correlate with implantation potential—and transcriptome analyses of matched embryonic and abembryonic samples to identify factors and pathways enriched and depleted in human blastocysts of good and poor morphology. Unexpectedly, we discovered that the greatest difference was in the state of extraembryonic primitive endoderm (PrE) development, with relative deficiencies in poor morphology blastocysts. …”
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Lipid desaturation regulates the balance between self-renewal and differentiation in mouse blastocyst-derived stem cells by Chanchal Thomas Mannully, Reut Bruck-Haimson, Anish Zacharia, Paul Orih, Alaa Shehadeh, Daniel Saidemberg, Natalya M. Kogan, Sivan Alfandary, Raphael Serruya, Arie Dagan, Isabelle Petit, Arieh Moussaieff

“…To decipher metabolic signatures of self-renewal in blastocyst-derived stem cells, we compared early differentiating embryonic stem cells (ESCs) and their extra-embryonic counterparts, trophoblast (T)SCs to their self-renewing counterparts. …”
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Implementation of blastocyst transfer in the routine clinical practice of assisted reproductive techniques. Analysis of 6000 consecutive cycles by Iztok Takač, Nina Fokter

“…To avoid multiple pregnancies, single blastocyst transfer is recommended.…”
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Predicted luteal phase length has no influence on success of vitrified-warmed blastocyst transfer in natural cycle by M. Reljič, J. Knez

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Role of Wnt Signaling During In-Vitro Bovine Blastocyst Development and Maturation in Synergism with PPARδ Signaling by Tabinda Sidrat, Abdul Aziz Khan, Muhammad Idrees, Myeong-Don Joo, Lianguang Xu, Kyeong-Lim Lee, Il-Keun Kong

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An artificial intelligence algorithm for automated blastocyst morphometric parameters demonstrates a positive association with implantation potential by Yael Fruchter-Goldmeier, Ben Kantor, Assaf Ben-Meir, Tamar Wainstock, Itay Erlich, Eliahu Levitas, Yoel Shufaro, Onit Sapir, Iris Har-Vardi

“…Abstract Blastocyst selection is primarily based on morphological scoring systems and morphokinetic data. …”
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Fresh embryo transfer in the cleavage and blastocyst stages and pregnancy outcomes: A retrospective cross-sectional study by Seyedeh Mahsa Poormoosavi, Mohammad Amin Behmanesh, Sara Aryannejad, Sima Janati

Subjects: “…embryo transfer, cleavage, blastocyst, pregnancy outcomes.…”
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Extended culture up to the blastocyst stage: a strategy to avoid multiple pregnancies in assisted reproductive technologies by Soledad J Sepúlveda, Jimmy R Portella, Luis P Noriega, Ernesto L Escudero, Luis H Noriega

Subjects: “…blastocyst…”
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#30 : Optimal Number of Fresh and Cryopreserved Mature Oocytes to Achieve at Least One Top-Quality Blastocyst by Thuy Hoang, Thao Le, Quynh Nguyen, Loc Nguyen, Nhu Huynh

“…Results: At each cycle, the mean number of good-quality blastocysts (type 1 and type 2) was 1.95 ± 1.91 with a ratio of 37.57 ± 30.53%, in which there was no difference in blastocyst quality between fresh and cryopreserved oocytes. …”
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Seasonal variation in the morphokinetics of in-vitro-derived bovine embryos is associated with the blastocyst developmental competence and gene expression by Shira Yaacobi-Artzi, Dorit Kalo, Zvi Roth

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Variation in the Incidence and Type of Full versus Mosaic Segmental Aneuploidies Identified in Blastocysts Undergoing PGT-A by Carly Cuman, Mark P. Green, Elissa Willats, Tristan Hardy, Deirdre Zander-Fox

“…Segregation of embryos by blastocyst stage indicated an increase in the incidence of segmental aneuploidies in early blastocysts (9/64; 14.1%) compared with expanding/expanded (39/475, 8.2%, [[Formula: see text]] and hatching/hatched blastocysts [634/7614, 8.3%; [Formula: see text]]). …”
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Embryo morphokinetics derived from fresh and vitrified bovine oocytes predict blastocyst development and nuclear abnormalities by Daniel Angel-Velez, Tine De Coster, Nima Azari-Dolatabad, Andrea Fernández-Montoro, Camilla Benedetti, Krishna Pavani, Ann Van Soom, Osvaldo Bogado Pascottini, Katrien Smits

“…Remarkably, 100% of zygotes that reached the blastocyst stage showed a lag-phase. Fast first cleavage increased the chance of blastocyst development to 30% with a cut-off of 32 h and 22 min. …”
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Conditional blastocyst complementation of a defective Foxa2 lineage efficiently promotes the generation of the whole lung by Akihiro Miura, Hemanta Sarmah, Junichi Tanaka, Youngmin Hwang, Anri Sawada, Yuko Shimamura, Takehiro Otoshi, Yuri Kondo, Yinshan Fang, Dai Shimizu, Zurab Ninish, Jake Le Suer, Nicole C Dubois, Jennifer Davis, Shinichi Toyooka, Jun Wu, Jianwen Que, Finn J Hawkins, Chyuan-Sheng Lin, Munemasa Mori

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Effect of Interval between Human Chorionic Gonadotropin Priming and Ovum Pick-up on the Euploid Probabilities of Blastocyst by Chun-I Lee, Hsiu-Hui Chen, Chun-Chia Huang, Chien-Hong Chen, En-Hui Cheng, Jing Yang Huang, Maw-Sheng Lee, Tsung-Hsien Lee

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FHL1 mediates HOXA10 deacetylation via SIRT2 to enhance blastocyst-epithelial adhesion by Zhiwen Cao, Qiang Yan, Mei Zhang, Yingchun Zhu, Jingyu Liu, Yue Jiang, Xin Zhen, Manlin Xu, Qiuling Yue, Jidong Zhou, Quan Zhou, Xiaoying Wang, Lijun Ding, Haixiang Sun, Guijun Yan

“…Furthermore, FHL1 overexpression promoted blastocyst-epithelial adhesion, and interfering with FHL1 expression in the mouse uterus significantly inhibited embryo implantation. …”
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Higher miscarriage rate in subfertile women with endometriosis receiving unbiopsied frozen-warmed single blastocyst transfers by M. K. Sachs, S. Makieva, I. Dedes, D. R. Kalaitzopoulos, D. R. Kalaitzopoulos, S. El-Hadad, M. Xie, A. Velasco, R. Stiller, B. Leeners

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Incidence, dynamics and recurrences of reverse cleavage in aneuploid, mosaic and euploid blastocysts, and its relationship with embryo quality by Lei Jin, Xiyuan Dong, Wei Tan, Bo Huang

“…Results Among the 1,453 blastocysts biopsied, 400 blastocysts showed RC phenomenon at the cleavage stage, and the incidence rate was 25.9%. …”
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Bivariate analysis of basal serum anti-Müllerian hormone measurements and human blastocyst development after IVF by Sills E Scott, Collins Gary S, Brady Adam C, Walsh David J, Marron Kevin D, Peck Alison C, Walsh Anthony PH, Salem Rifaat D

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