-
Conception
Fertilization occurs when a sperm meets and penetrates an egg. This process is also called fertilization. -
Period: to
period of zygote
The Period of the Zygote begins at conception and ends when the fertilized egg implants in the mother's uterus. This period can last from 10 to 14 days. -
Period: to
embryo
An embryo is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination -
Period: to
Fetus
All the babys muscles and organs have formed. The mother has gained 2-4 pounds and feeling nausea and fatigue. -
Birth Date