-
1st Month
-Placenta develops
-Ovum is .25 cm
-Cluster of cells attaches to the lining of the uterus -
2nd Month
-Brain and spinal cord begin to form
-Embryo is 2.5 cm
-Tissues that form heart begin to beat -
3rd Month
-Arms and legs can flex
-Embryo is 6.7cm
-all organs and muscles are formed and functioning -
4th Month
Fetus is 11cm long
-Kidneys are forming and producing urine
-Placenta is fully formed -
5th Month
-Fetus is 27cm long
-Nails begin to grow on fingertips
-Footprints and fingerprints develop -
6th Month
-Fetus is 35cm long
-Optic nerve is working
-Brain is rapidly developing -
7th Month
-Fetus is 39cm long
-Different regions of brain are forming
-Bones harden -
8th Month
-Fetus is 45cm long
-Brain continues to develop
-The lungs are maturing and getting ready to function -
9th Month
-The fetus is 51cm long
-Outer layers of skin form
-More fat accumulates
