<unk>  is the process of cell division and cellular differentiation of the<unk>  embryo during early prenatal development. It spans from the moment of fertilization to the end of the 8th week of gestational age, whereafter it is called a fetus.
Human embryogenesis
Prenatal development
Development of the urinary and reproductive organs
Kidney development
Human anatomy
Gestational trophoblastic neoplasia causes
Teratoma pathophysiology
Limb development