PGT-A tested embryos for embryo transfer (ET) or frozen embryo transfer (FET), a small hatching blastocyst seems to be a ...

Volume 17, Issue 3, on March 5, 2025, titled “Reproductive aging, preimplantation genetic testing for aneuploidy, and the ...

"During this critical time window, extra sperm can intrude into the blastocyst. This might be an evolutionary feature that influences the developmental fate of the blastocysts," explains Kroneis ...

More information: Jayasree Sengupta et al, Sperm intrusion into the implantation-stage blastocyst and its potential ...

Early embryonic cell polarity and lineage differentiation, which are vital to implantation, and continued embryonic growth climax with the onset of blastocyst formation. These processes are ...