Almost all babies are actually born less than 9 months. The limited size of the mother's pelvis makes difficult to linger baby in the womb. If there is any baby born more than 9 months it happened just a little.
This was conveyed by neuroscientist Lise Eliot in his book entitled 'What's Going on in There? How the Brain and Mind Develop in the First Five Years of Life "(Bantam, 2000).
"If it were not for the limited size of the pelvis (pelvic), women, the baby will grow much longer in the uterus (more than nine months)," says Lise Eliot, as reported by LiveScience, Tuesday (19/04/2011).
According to Eliot, a woman should maintain a relatively narrow pelvis in order to remain upright. With the limited size of the female pelvis, the baby is difficult to linger in the womb of the mother exceed 9 months. Only a very few incidents baby was born more than 9 months.
In addition, the size of new born baby's brain during the quarter of the adult brain size. It also allows the mother to survive and stay healthy after birth.
Therefore, some doctors call the first trimester such as old baby is in the fourth trimester maternal womb.
Since the early age of his birth a baby does not have social skills such as smiling.
"Social skills such as smiling for example, only arise when infants aged 10-14 weeks," said Eliot.
The condition of pregnant women and babies in the womb at month 9 is
Mother's condition:
Mother will experience back pain due to muscle stretching occurred.
Mother increasingly difficult to sleep because of anxiety that sometimes is not unreasonable.
Abdominal skin will get itchy, but you should not carded and simply rubbed with baby oil or lotion.
The frequency of urination will increase, because the baby is more urgent bladder.
The contraction will be more often perceived by the mother.
If there is a contraction that is accompanied by the release of amniotic fluid, then try to wake up slowly to prevent the discharge of amniotic fluid are more numerous and immediately brought to the hospital.
The condition of the baby in the womb
Towards the end of the trimester of the lungs almost fully developed.
Baby's reflexes began to perfect coordination so that she can blink, close your eyes, turn heads, kicked and respond to sound, light and touch.
The baby will change positions to prepare for childbirth, the baby will descend into the pelvis and usually will head facing toward the birth canal.
Babies will continue to grow and develop until later was born.
At this age your baby will have a length of about 46-51 cm and weighing approximately 3 to 3.2 kg.