: Reproduction: culture of the embryo

culture of the embryo

Many procedures such as embryo transfer, in vitro fertilization, sex determination, and cloning depend heavily on the ability to maintain the viability of embryos for several hours to several days outside of the reproductive tract. Usually, the embryos are cultured in vitro, but they may also be stored in the oviduct of a temporary host of another species. The embryo culture system must not only maintain the viability of the embryo, but also support continued development. Co-culture has offered a possible means of producing blastocysts capable of high implantation rates. However, recent developments in the field of embryo physiology and metabolism have led to the formulation of new sequential serum-free culture media capable of supporting the development of viable blastocysts in several mammalian species, including the human. The high viability of blastocysts cultured in the appropriate sequential media means that fewer embryos are required for transfer to achieve a pregnancy, culminating in fewer multiple births. (Source : INRA)

https://opendata.inra.fr/BRMH/43

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