A pregnancy that is full term last for forty weeks.
This is calculated from the womans last period.
First trimester 0 to 12 weeks.
Second trimester 13 to 27 weeks.
Third trimester 28 weeks to birth.
Changes taking place during this time will be a different experience for each person.
But for the baby inside you, there is a distinct programme that is followed.
If your pregnancy is planned in advance it is important to build your body in advance through exercise and a healthy diet.
Folic acid is important, it contributes to normal cell division and differentiation.
Maternal deficiencies of Folic Acid may result in the birth deformity known as Spina Bifida.
Studies have shown Folic Acid supplementation can reduce incidence of Neural Tube Defects.
During the first trimester the developing embryo consists of three layers of cells.
By about the 26th day there is a heartbeat and by the 5th week the circulatory and respiratory systems are working.
By the 10th week all body organs are formed.
The first trimester is a period of amazing growth of the baby.
During the second trimester period the baby will start to move.
It can hear and will respond to outside words.
It will respond to outside lights and the baby can swallow.
The eyes can open and close and there is hair growth.
Many of the unpleasant feelings in the first trimester subside.
In the third trimester the baby continues to grow and gain weight.
There will be much movement and in some baby's the head is already turned down.
By time week 40 arrives the movement will decrease due to lack of space.
You may experience Braxton Hicks contractions which may be mistaken for labour pain.
The birth of your child will be the most inspiring accomplishment of your life.
National Geographic - In the Womb
Paralumun New Age Womens Village