Clinical outcome analysis of frozen-thawed embryo transfer on Day 7 by Xinmi Liu, Hua Lou, Junwei Zhang, Mingze Du, Yulin Du, Shanshan Wu, Yichun Guan, Jing Liu

“…PGT for D7 blastocysts may reduce the number of ineffective transfers and improve the outcome of D7 blastocyst transfer, which can be performed according to a patient’s situation.…”
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Cell and Tissue Nanomechanics: From Early Development to Carcinogenesis by Mikhail E. Shmelev, Sergei I. Titov, Andrei S. Belousov, Vladislav M. Farniev, Valeriia M. Zhmenia, Daria V. Lanskikh, Alina O. Penkova, Vadim V. Kumeiko

“…During further development from the blastocyst implantation to placenta formation, decidua stiffness is increased ten-fold when compared to non-pregnant endometrium. …”
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#147 : Artificial Intelligence is Equally Capable of Predicting Viability of Embryos Created from Vitrified Oocytes, Despite Observed Differences in Morphokinetic Behaviour by Gabriella Pereira, Kelli Sorby

“…No difference was observed in blastocyst utilisation between the three groups (48.0%, 48.1% and 52.9% respectively). …”
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Effect of E-64 Supplementation during In Vitro Maturation on the Developmental Competence of Bovine OPU-Derived Oocytes by Ahmed Z. Balboula, Mansour Aboelenain, Miki Sakatani, Ken-Ichi Yamanaka, Hanako Bai, Takahiro Shirozu, Manabu Kawahara, Abd Elraouf O. Hegab, Samy M. Zaabel, Masashi Takahashi

“…In this study, we investigated the effect of E-64 (cathepsin B inhibitor) supplementation during in vitro maturation (IVM) on the developmental competence of OPU-derived immature oocytes and the quality of the produced blastocysts. Our results showed that supplementation of IVM medium with E-64 significantly improved the developmental competence of OPU-derived immature oocytes as evidenced by the significant increase of the blastocyst rate. …”
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Investigating Impacts of CoronaVac Vaccination in Males on In Vitro Fertilization: A Propensity Score Matched Cohort Study by Meng Wang, Qiyu Yang, Lixia Zhu, Lei Jin

“…Results: Generally, no statistically significant differences were exhibited between the matched cohorts regarding embryo developmental parameters, including fertilization rate, cleavage rate, high-quality embryo rate, blastocyst formation rate, and available blastocyst rate, as well as clinical outcomes, such as implantation rate, biochemical pregnancy rate, and clinical pregnancy rate. …”

The impact of transferred air bubble position on clinical pregnancy rate in FET cycles by Lixia He, Junyong He, Qianhong Ma, Song Jin, Yuechao Lu, Dongmei Zhang, Xu Liao

“…DAF was an independent risk factor influencing clinical PR in blastocyst FET cycles rather than in cleavage embryo FET cycles. …”
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Adiponectin Improves In Vitro Development of Cloned Porcine Embryos by Reducing Endoplasmic Reticulum Stress and Apoptosis by Muhammad Rosyid Ridlo, Eui Hyun Kim, Anukul Taweechaipaisankul, Byeong Chun Lee, Geon A. Kim

“…The second experiment showed that cleavage rate, blastocyst formation rate, and TCN of blastocysts were improved in the 15 μg/mL adiponectin treatment group compared with the control group, with significantly reduced <i>XBP1</i> expression in ≥4-cell stage SCNT embryos and blastocysts (<i>p</i> < 0.05). …”
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Ovarian hyperstimulation syndrome and prophylactic human embryo cryopreservation: analysis of reproductive outcome following thawed embryo transfer by Sills Eric, McLoughlin Laura J, Genton Marc G, Walsh David J, Coull Graham D, Walsh Anthony PH

“…Non-transferred blastocysts remained in cryostorage for 24 of 51 patients (46.1%) after ET, with an average of 3 ± 3 blastocysts refrozen per patient.…”
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Loss of WTAP Impairs Early Parthenogenetic Embryo Development by Jindong Hao, Siyi Huang, Dongxu Wang, Yongxun Jin, Mingjun Zhang, Jiabao Zhang, Xianfeng Yu

“…WTAP knockdown significantly reduced the blastocyst rate and global m⁶A levels, but did not affect the cleavage rate. …”
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Dynamics of Mitochondrial DNA Copy Number and Membrane Potential in Mouse Pre-Implantation Embryos: Responses to Diverse Types of Oxidative Stress by Yasmyn E. Winstanley, Jun Liu, Deepak Adhikari, Macarena B. Gonzalez, Darryl L. Russell, John Carroll, Rebecca L. Robker

“…Here, we show that mtDNA content increased between 8-cell embryos and the blastocyst stage, with similar copy numbers per cell in the inner cell mass (ICM) and trophectoderm (TE). …”
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Expression of plasminogen activators in preimplantation rat embryos developed <it>in vivo </it>and <it>in vitro</it> by Har-Vardi Iris, Potashnik Gad, Sod-Moriah Uriel A, Aflalo Eliahu D

“…The localization of both PAs in the blastocysts' trophectoderm supports the assumption that PAs plays a role in the implantation process in rats.…”
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#361 : What Does My Embryo Score Mean? The Relationship Between KIDScore, Life Whisperer AI Score, and Embryo Euploidy by Ying-Chen Soo, Tee Sze Tian, Chee San Heong, Ee Leen Lim, Kai Boon Yong

“…Since blastocyst culture in a timelapse incubator (Embryoscope+, Vitrolife) is routine in our centre, the KIDScore for each blastocyst was known. …”
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Feline Wharton’s jelly-derived mesenchymal stem cells as a feeder layer for oocytes maturation and embryos culture in vitro by Meriem Baouche, Małgorzata Ochota, Pascal Mermillod, Yann Locatelli, Yann Locatelli, Wojciech Nizanski

“…Also, we observed higher morula and blastocyst rates in the embryos co-cultured with MSCs during the in vitro culture (p &gt; 0.05).ConclusionBased on our results, the co-culture with MSCs during the oocyte maturation resulted in better embryo development, as well as the MSCs addition during embryo culture returned an increased number of morula and blastocysts. …”
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Congenital malformations and minor anomalies in newborns depending on the type of resolved infertility and health of the parents by M. K. Soboleva, D. A. Кinsht

“…We found that children with congenital malformations and minor anomalies were more often born as a result of subsequent pregnancies; thawed embryos transferred at the blastocyst stage were used in assisted reproductive technology programs (p &lt; 0.05); exacerbations of herpes type 2 infection were diagnosed during the current pregnancy (p &lt; 0.05). …”
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5-Aminolevulinic acid/sodium ferrous citrate improves the quality of heat-stressed bovine oocytes by reducing oxidative stress by Omnia ELGENDY, Go KITAHARA, Kentaro YAMADA, Shin TANIGUCHI, Takeshi OSAWA

“…The addition of 8/1 µM 5-ALA/SFC had a deleterious effect on oocyte cleavage rate in comparison with control oocytes, but did not affect the blastocyst rate, while 1/0.125 µM 5-ALA/SFC had a significantly higher increase in blastocyst rate than 8/1 µM 5-ALA/SFC. …”
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Pluripotent stem cells secrete Activin A to improve their epiblast competency after injection into recipient embryos by Jinzhu Xiang, Suying Cao, Liang Zhong, Hanning Wang, Yangli Pei, Qingqing Wei, Bingqiang Wen, Haiyuan Mu, Shaopeng Zhang, Liang Yue, Genhua Yue, Bing Lim, Jianyong Han

“…Interestingly, the injection of ESCs into blastocysts cultured with Activin A (cultured from 4-cell stage to early blastocyst at E3.5) could increase the contribution of ESCs to the chimera. …”
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NGS-Based Application for Routine Non-Invasive Pre-Implantation Genetic Assessment in IVF by Katalin Gombos, Bence Gálik, Krisztina Ildikó Kalács, Krisztina Gödöny, Ákos Várnagy, Donát Alpár, József Bódis, Attila Gyenesei, Gábor L. Kovács

“…In a retrospective study, we performed NGS on spent blastocyst culture media of Day 3 embryos fertilised with intracytoplasmic sperm injection (ICSI) with quality score on morphology assessment using the blank culture media as background control. …”
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Preimplantation Genetic Testing for Aneuploidy (PGT-A) Reveals High Levels of Chromosomal Errors in In Vivo-Derived Pig Embryos, with an Increased Incidence When Produced In Vitro by Reina Jochems, Carla Canedo-Ribeiro, Giuseppe Silvestri, Martijn F. L. Derks, Hanne Hamland, Louisa J. Zak, Egbert F. Knol, Alan H. Handyside, Eli Grindflek, Darren K. Griffin

“…More errors were observed in IVP vs. IVD blastocysts (79.7% vs. 13.6% <i>p</i> < 0.001). In IVD embryos, fewer errors were found at blastocyst stage compared to cleavage (4-cell) stage (13.6% vs. 40%, <i>p</i> = 0.056). …”
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#269 : Replacing Crude ICSI: Improving Poor Egg Reserve and Poor Responder Patient Outcomes by Replacing Conventional ICSI with Positive Rheotaxis Extended Drop (PRED-ICSI) Techniq... by Sayali Kandari, Kaushal Kadam

“…Patients with grade AA/AB blastocysts were 7 out of 12 in Conventional ICSI group (50%) vs 8 out of 12 in PRED-ICSI (66.67%). …”
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FSH Stimulation with Short Withdrawal Improves Oocyte Competence in Italian Mediterranean Buffalo (<i>Bubalus bubalis</i>) by Georgios Petrovas, Michal Andrzej Kosior, Giorgio Antonio Presicce, Marco Russo, Gianluigi Zullo, Giuseppe Albero, Serhat Alkan, Bianca Gasparrini

“…A higher percentage of fast blastocysts and average number of grade 1,2 blastocysts was observed in C1 compared to C3, with intermediate values found in C2. …”
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