Development and validation of a nomogram for predicting ongoing pregnancy in single vitrified-warmed blastocyst embryo transfer cycles by Jae Kyun Park, Ji Eun Park, Soyoung Bang, Haeng Jun Jeon, Ji Won Kim, Woo Sik Lee

Subjects: “…single vitrified-warmed blastocyst embryo transfer…”
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Comparing the pregnancy outcomes of cleavage and blastocyst stage in frozen embryo transfer cycles: A cross-sectional study by Zahra Parsafar, Razieh Dehghani-Firouzabadi

Subjects: “…blastocyst, ovum cleavage stage, embryo transfer.…”
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Development and evaluation of a live birth prediction model for evaluating human blastocysts from a retrospective study by Hang Liu, Zhuoran Zhang, Yifan Gu, Changsheng Dai, Guanqiao Shan, Haocong Song, Daniel Li, Wenyuan Chen, Ge Lin, Yu Sun

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Comparison of clinical outcomes for different morphological scores of D5 and D6 blastocysts in the frozen-thawed cycle by Yaping Jiang, Rui Jiang, Hui He, Xinling Ren, Qiong Yu, Lei Jin

“…Results Our study found no difference in clinical pregnancy rate (CPR) and live birth rate (LBR) between AA/AB blastocysts in D5 or D6 frozen blastocysts. However, for BA/BB/BC blastocysts, embryonic pregnancy outcome was significantly better in D5 than in D6. …”
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Comparison of clinical outcomes of frozen-thawed D5 and D6 blastocysts undergoing preimplantation genetic testing by Guanling Yu, Shuiying Ma, Hui Liu, Yujin Liu, Haozhen Zhang, Wenjia Zhang, Keliang Wu

Subjects: “…Frozen-thawed blastocyst…”
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Prediction of embryo euploidy and pregnancy outcome by blastocyst morphology and development speed for women receiving single embryo transfer by Kexin Dong, Chunyan Wu, Xuerong Hou, Yanhong Zeng, Lu Luo

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Amelioration of Leigh syndrome induced by mouse blastocyst complementation with a mutant human mitochondrial ATP synthase 6 by Huijun Yuan, Keith A. Webster, Muhammad Tariq Bhatti, William W. Hauswirth, Alfred S. Lewin, John Guy

“…Methods LS transgenic mice with an ATP6 mutation were developed by microinjecting AAV2 modified by a COX8 mitochondrial targeting sequence (MTS) into mouse blastocysts to deliver the human ATP6 gene with a T > G mutation at position 8993 of the mitochondrial genome, responsible for clinical LS DNA, protein, and metabolic assays confirmed functional gene delivery and in depth physiological/clinical assessments supported germline transmission of an LS phenotype. …”
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Co-Culture of Mouse Blastocysts on A Human Recellularized Endometrial Scaffold: An In Vitro Model for Future Implantation Studies by Elham Sadeghi, Mojtaba Rezazadeh Valojerdi, Mojdeh Salehnia

“…After seven days of cultivation, the mouse blastocysts wereco-cultured on the recellularized scaffolds for 48 hours. …”
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H3K27me3 at pericentromeric heterochromatin is a defining feature of the early mouse blastocyst by Mélanie Pailles, Mélanie Hirlemann, Vincent Brochard, Martine Chebrout, Jean-François Oudin, Hendrik Marks, Alice Jouneau, Amélie Bonnet-Garnier

“…Abstract Early mouse development is characterized by structural and epigenetic changes while cells progress towards differentiation. At blastocyst stage, the segregation of the three primordial lineages is accompanied by establishment of differential patterns of DNA methylation and post-translational modifications of histones, such as H3K27me3. …”
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Effects of serum estrogen levels before frozen-thawed blastocyst transfer on pregnancy outcomes in hormone replacement cycles by Yi-ran Du, Ke Yang, Jie Liu

“…Abstract We investigated the effects of serum estrogen levels before frozen-thawed blastocyst transfer on pregnancy outcomes in hormone replacement cycles. …”
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Risk Factors Affecting Alternate Segregation in Blastocysts From Preimplantation Genetic Testing Cycles of Autosomal Reciprocal Translocations by Pingyuan Xie, Pingyuan Xie, Pingyuan Xie, Liang Hu, Liang Hu, Liang Hu, Liang Hu, Yangqin Peng, Yue-qiu Tan, Yue-qiu Tan, Yue-qiu Tan, Yue-qiu Tan, Keli Luo, Keli Luo, Keli Luo, Keli Luo, Fei Gong, Fei Gong, Fei Gong, Fei Gong, Guangxiu Lu, Guangxiu Lu, Guangxiu Lu, Guangxiu Lu, Ge Lin, Ge Lin, Ge Lin, Ge Lin

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#60 : Is the Imbalance of Gender Ratio (GR) in IVF/ICSI Cycles Being Affected by the Current Blastocyst Selection Criteria? by Zhi Xuan Teng

“…Background and Aims: Studies have reported a GR skewed towards male offspring in the assisted reproductive technology (ART) field due to the current blastocyst selection criteria. Male blastocysts have been observed to develop faster and with better grading than female blastocysts. …”
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MicroRNA-130b is involved in bovine granulosa and cumulus cells function, oocyte maturation and blastocyst formation by Pritam Bala Sinha, Dawit Tesfaye, Franca Rings, Munir Hossien, Michael Hoelker, Eva Held, Christaine Neuhoff, Ernst Tholen, Karl Schellander, Dessie Salilew-Wondim

“…Moreover, to investigate the role of miR-130b during preimplantation embryo development, zygote stage embryos were microinjected with miR-130b precursor or inhibitor and the cleavage rate, morula and blastocyst formation was analyzed in embryos derived from each zygote group after in vitro culture. …”
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Endometrial preparation and maternal and obstetrical outcomes after frozen blastocyst transferAJOG Global Reports at a Glance by Kazumi Takeshima, MD, PhD, Kenji Ezoe, PhD, Sachie Onogi, MD, Nami Kawasaki, MS, Hiroko Hayashi, RN, Tomoko Kuroda, MD, PhD, Keiichi Kato, MD, PhD

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Clinical outcome of fresh and vitrified-warmed blastocyst and cleavage-stage embryo transfers in ethnic Chinese ART patients by Tong Guo, Cao Shan, Wu Xun, Zhang Jun, Cui Ji, Heng Boon, Ling Xiu

Subjects: “…Blastocyst transfer…”
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Mitochondrial DNA Deficiency and Supplementation in <i>Sus scrofa</i> Oocytes Influence Transcriptome Profiles in Oocytes and Blastocysts by Takashi Okada, Stephen McIlfatrick, Justin C. St. John

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#307 : Establishment of an Early Blastocyst Stage Classification System and Its Implications for Clinical Pregnancy and Live Birth Outcomes by Melissa Caddy, Kym Boekel, Deirdre Zander-Fox, Mark Green

“…Background and Aims: Sub-optimal embryo development on day 5 often leads to the transfer of an early blastocyst (EB) stage embryo, especially for women >38 years of age. …”
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Heparin-binding epidermal growth factor and its receptor ErbB4 mediate implantation of the human blastocyst. by Chobotova, K, Spyropoulou, I, Carver, J, Manek, S, Heath, J, Gullick, W, Barlow, D, Sargent, I, Mardon, H

“…Here we demonstrate a potential function for the transmembrane form of heparin-binding epidermal growth factor in mediating blastocyst attachment to the endometrium, in two different novel in vitro models for human implantation. …”

Sub-Zonal versus intracytoplasmic injection produces a higher rate of cloned caprine-bovine interspecies blastocysts by Abdullah, Ramli, Khadijah, W.E.W., Soh, H.H.

“…The percentage of cleaved embryos and blastocyst formation following sub-zonal injection, with electrofusion was higher than for oocytes which underwent intracytoplasmic injection (60.2% vs. 54.1% and 12.1% vs. 4.5%, respectively). …”

Endometrial receptivity: The journey so far by Osazee K, Omorogiuw A

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