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Is embryonic development studied day by day or week by week?

By Andrea Rodrigo.
Last Update: 03/06/2017

In cases of IVF, it does not make much sense to talk about embryonic development for weeks, since embryo culture does not extend beyond day 6-7. In fact, embryos are usually transferred or cryopreserved before one week of evolution.

Once inside the maternal uterus, we can already speak of embryonic development for weeks. In any case, as we have indicated in the previous question, embryonic development lasts until week 8. Therefore, from then on we will coin the term fetal instead of embryonic.

Suggested for you: In vitro embryo culture and development.

 Andrea Rodrigo
Andrea Rodrigo
Embryologist
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
Embryologist. Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
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