After getting pregnant, in the first two trimesters, the baby cells develop and its takes shape and it is towards the end of the third trimester that the baby becomes 7.25 pounds and is of a size beyond which it would have difficulty passing through the birth canal. However, today it is believed that the reason for pregnancies not lasting for more than nine months is that pregnancy diet is not enough to feed the energy needs of the nine month baby.

1. Why Pregnancy Lasts For 9 Months
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2. Why Pregnancy Lasts For 9 Months
After getting pregnant, almost all
mothers start reading various
pregnancy proven tips on various
aspects related to pregnancy and
pregnancy symptoms. One widely
searched question relating to
pregnancy, which many mothers
seek an answer to, is why their
pregnancy lasts does for only nine
months. New born babies are
extremely weak and fragile. As a
mother you wish that you could
carry them a bit longer inside you
so that they can grow stronger and
then come out into this world. But
unfortunately, even a healthy …
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3. and fertile mother cannot, under
any circumstances, carry her baby
for more than nine months. There
are two explanations, which have
been given for this limited gestation
period. The same have been
discussed below:
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Why Pregnancy Lasts For 9 Months

4. Page 4 of 9
Difficulty Fitting In The Birth
Canal
The entire nine months of
pregnancy can be divided into three
trimesters. If we see the growth of
the baby in each trimester we will
be able to understand, why it is not
possible to carry the baby for more
than nine months. In the first two
trimesters, the baby only takes a
small form wherein the first
trimester the cells develop, but the
baby has no shape or identity, in
the second trimester; it develops
nose, chin, and forehead. By the…
Why Pregnancy Lasts For 9 Months

5. end of these two trimesters the size
of the baby is only about 3 inches in
length. In the final third trimester,
each and every body part of the
baby develops and it weighs around
7.25 pounds, which is very difficult
for the mother to carry as it is. If the
baby is held any longer inside and it
grows bigger in size, its head and
hips would become so big that it
would get stuck inside as the space
in the birth canal would not be
enough to push the baby out.
Therefore, by the end of the ninth
month, the baby needs to come
out.
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Why Pregnancy Lasts For 9 Months

6. Pregnancy Eating Becomes
Insufficient
Another important reason, because
of which human pregnancy cannot
be taken beyond nine months, is
that during pregnancy, the mother
does not eat just for herself, but
also for the baby. All the energy
demands of the baby have to be
fulfilled by the mother. It is for this
reason; a pregnant woman has to
be extremely careful about
her pregnancy diet. But as the
baby grows in size, its demand for
energy also increases and towards..
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Why Pregnancy Lasts For 9 Months

7. the end of the nine months, these
demands reach a stage where it is
not possible for the mother to eat
any more, since the calories cannot
be burnt by the body beyond that
point. Therefore, the baby has to
now come out and feed on its own.
If the mother is forced to increase
her diet any further, parental
health would get compromised.
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Why Pregnancy Lasts For 9 Months

8. Concluding Analysis
Over the years a lot of research has
been done in this regard and most
of the scientists today agree that
the explanation of hip and head
size ratio is not a very correct one.
On the other hand, the explanation
stating increased energy demands
of the baby seems more correct.
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Why Pregnancy Lasts For 9 Months

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