Embryonic development stages

Fetal development is the term used when talking about the procession of events that starts when sperm and egg meet and unfolds in an orderly progression to form a baby . For something that “simply happens” once a woman gets pregnant, it is amazingly complex—and a lot of fun to think about.

Week 5 is the start of the “embryonic period.” This is when all the baby’s major systems and structures develop. The embryo’s cells multiply and start to take on specific functions. This is called differentiation. Blood cells, kidney cells, and nerve cells all develop.13 Tem 2021

The process of prenatal development occurs in three main stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.

From beginning as a one-cell structure to your birth, your prenatal development occurred in an orderly and delicate sequence. There are three stages of prenatal development: germinal, embryonic, and fetal .