This study is led by Prof. Lei Jin and Dr. Lixia Zhu (Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology). Assisted reproductive ...

However, the fertilization step isn't yet foolproof — only around 9% made it to the "blastocyst" stage. At that point, the egg has divided to form a hollow sphere of cells that could be introduced to ...

Extracellular vesicles (EVs) and their cargo microRNAs (miRNAs) are important regulators of embryo development to the blastocyst stage and beyond. Before implantation can take place, hatching of ...

Implantation usually occurs 6 to 12 days after conception. Common signs include bleeding and cramps.

Fragments of DNA left by viruses that infected our distant ancestors may be 'firestarters' for new human life, new research finds. "Our results illustrate how recently emerged… genes can confer ...

Using the blastocyst complementation method, we produced rat embryonic stem (ES) cell-derived sperm in testicular hypoplasia mice and successfully generated rat offspring. This method can provide a ...

Couples infected with the COVID-19 virus while receiving assisted reproductive technology treatment had lower quality embryo and blastocyst rates when compared to non-infected couples, a retrospective ...

In the wake of the Alabama Supreme Court decision establishing that frozen embryos can be considered children, some IVF clinics in that state have paused operations -- because discarding embryos is ...

June 11 (Reuters) - The Southern Baptist Convention voted Wednesday to condemn the use of in vitro fertilization and commend congregants who use alternative fertility therapies or adopt frozen embryos ...

With embryolike constructs built entirely from stem cells, researchers can revolutionize our understanding of development. But how close to an embryo is too close? In April, researchers in China ...