yksilöalkio
Yksilöalkio, often translated as "individual embryo" or "single embryo" in English, refers to a single embryonic cell or a very early stage of embryonic development where the cells are still undifferentiated and form a single, cohesive unit. In the context of assisted reproductive technologies like in vitro fertilization (IVF), the term "yksilöalkio" can refer to a single embryo transferred into the uterus, as opposed to multiple embryos. This practice is often implemented to reduce the risk of multiple pregnancies, which can carry increased health risks for both the mother and the babies.
The development from a single-celled zygote to a multicellular embryo involves a series of cell divisions known