-
Prenatal Development
Conception begins. The sperm reaches a fertilized egg and the baby begins to develop throughout the first month. -
Period: to
First Month
The first month the baby starts developing structures that will eventually form its face and neck. The heart and blood vessels begin to develop. Also the lungs, stomach and liver start to develop. -
End of First Month
-
Period: to
Second Month
The baby is about a half an inch in size. Eyelids and ears are forming on the baby, and also you can see the tip of the nose. The arms and legs formed well. The fingers and toes grow longer and more clear to see. -
End of Second Month
-
Period: to
Third Month
The baby starts making its own movements and measures to be about 2 inches long. The sex organs become more clear and the doctor can hear the babys heartbeat. -
End of Third Month
-
Period: to
Fourth Month
The baby can blink its eyes and the blood vessels are fully formed. The baby's fingers and toes have fingerprints. The baby now measures 4.3 to 4.6 inches and weighs about 3.5 ounches. -
Period: to
Fifth Month
The baby can suck its thumb, yawn, stretch, and make faces. Eventually you'll feel your baby move, which is called "quickening." Your baby is now about 6 inches long and weighs about 10 ounches. -
End of Fifth Month
-
Period: to
Month Six
It's time for an ultrasound. Your baby is mvoing and kicking a lot. You will find out your baby's sex. Also, the doctor will make sure the placenta is healthy and attached normally and your baby is growing properly. -
End of Six Month
-
Period: to
Seventh Month
The baby weighs about 2 pounds, 6 ounces, and changes position a lot in this month of pregnancy. If you were to deliver prematurely right now, the baby would most likely survive. -
End of Month Seven
-
Period: to
Month Eight
Your baby weighs about 4 pounds. The baby's skin has less wrinkles and a layer of fat begins to form under the skin. Your baby will begin to gain half its birth weight throughout the month. -
End of Month Eight
-
Period: to
Month Nine
Your babt is now ready to be delivered. The brain has been developing rapidly, lungs are pretty much all the way developed, and the head is usually positioned down into the pelvis by now. -
End of Month Nine
Before delivery.
