On this you will Read all about Trimester sensible Fetal Development so that you can get a fairly clear idea.
Your pregnancy period which applies to nine months is divided into three equal parts which are known as trimesters.
First Trimester of Pregnancy
During the second month of your pregnancy, your baby’ s backbone, human brain, spinal column, nervous system, eyes, ears plus nose start developing, and by the conclusion of this term the baby’ s i9000 heart is well developed and starts to beat.
Then throughout the third month of your pregnancy, the foetus grows to three inches long and all the baby’ s i9000 organs begin to function. Then at first of the third month, foetus is about three inches long and all the organs, muscles and nerves begin to function. You can also expect the arms and ankles to have formed, and the fingers and toes to be clearly visible. Also, the eyelids protect the eyes and fingers plus toes have soft nails; and the kidneys begin to secrete urine. Though the baby’ s genitals start to form, it is difficult to determine the baby’ s sex in the first trimester of pregnancy.
Second Trimester of Pregnancy
We call the fourth month as the second trimester during which time your own baby’ s cheekbones can be seen as well as its hair begins to appear. This is also that exciting time for a mother when the baby starts to kick and techniques in the womb. The foetus develops taste buds and the baby may be beginning to savour the mother’ s meal.
Foetus’ s muscles start toning up in the fifth month and the lungs inhale and exhale amniotic liquid. Foetus is six inches long and can reveal his or her genitals. Sensory development starts taking place in the human brain.
When this 2nd trimester ends the foetus will become eleven inches long and you can hear your sound. A protective rich and creamy coating called vernix and dainty hair covers the skin of the foetus.
Third Trimester of Pregnancy
When the seventh month of pregnancy comes, the baby will start to sleep and alert at regular intervals, and the eye will start to open and close. To accommodate the brain, his head starts growing bigger. Child can differentiate between sounds plus voices. Around this time the baby weighs in at about three pounds in this month.