To better understand the effectiveness of infertility treatment, it is necessary to study the processes that occur during the first week of embryonic development. At this stage, the embryo begins to ...

In the normal embryo (left): magenta cells will become the placenta, yellow cells will become the yolk sac, and cyan cells will become the epiblast, which later forms the body. In the embryo where ...

Eating large amounts of ultra-processed food (UPF) is linked not only to reduced fertility in men, but also to slower growth in early embryos, and smaller yolk sacs, which are essential for early ...

Embryonic development is one of the most dynamic biological processes in nature. Cells and tissues organize and reorganize themselves following incredibly precise patterns, while remaining flexible ...