What are the phases of prenatal development?

The stages of prenatal development represent a tremendous amount of change from conception to birth. Learn more about the science behind each stage. read more

Development happens quickly during the prenatal period, which is the time between conception and birth. This period is generally divided into three stages: the germinal stage, the embryonic stage, and the fetal stage. read more

Prenatal development starts with fertilization, the first stage in embryogenesis which continues in fetal development until birth. In human pregnancy, prenatal development, also known as antenatal development, is the development of the embryo following fertilization, and continued as fetal development. read more