-
Month ONE
Zygote implants into uteran lining -
Period: to
Human Gestation
-
Becomes a Embryo
Lasts 2 weeks to 8 weeks; 1/2 inch long and Nervous system develops -
Month TWO
Now called a Fetus, heart, head, brain rapidly develop
Digestive system forms
1 inch long, -
Month THREE
Rapid head growth, bones form, digestive organs function and arms, legs and fingers move spontaniously
Fetus is 3 inches long and weighs about 1 ounce -
Month FOUR
lower body growth rapid
heartbeat can be heard by Doctor
sex organs fully formed
Fetus is 7 inches long and weighs 5 ounces -
Month FIVE
Mother feels movement
Ears and nose begin cartlidge development
fingernails and toenails appear
12 inches long and weighs 14 ounces -
Month SIX
Eyes and eyelids fully formed
fat develops under skin
14 inches long and weighs 2 pounds