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Facts about twins and multiple conceptions - Twin Times |
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Many
women have a secret fantasy about giving births to twins,
especially identical twins. There's something magical about
having two identical bundles of joy that no one can tell apart,
except for you. But twins are a rare phenomenon, especially
in India.
What
are your chances of having twin babies and if you do, what
are the implications?
There
are two kinds of twins-
Fraternal
twins
Are the result of two individual fertilized eggs. Fraternal
twins develop in their separate amniotic sacs and have their
own separate placentas.
Identical twins
Result when a single fertilized egg splits after conception.
Identical twins may share an amniotic sac or the placenta
or both.
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Some
facts
-
A woman is not likely to conceive more than
one set of identical twins, but a woman who
conceives fraternal twins naturally, has a quadrupled
chance of conceiving fraternal twins again.
- Normally
twins run in families through the female line,
not the male. Female fraternal twins have an
increased chance of having twins themselves,
but male fraternal twins do not.
- Worldwide,
Black people have the highest rate for fraternal
twins while Asians have the lowest. The rate
for identical twins, however, remains the same
worldwide.
- Of
all twin births, one third are identical, one
third are boy-girl fraternal twins and the remaining
third are same-sex fraternal twins.
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What causes multiple conceptions?
Twins are conceived when a women has high levels of the hormone
FSH (Follicle Stimulating Hormone) which causes several eggs
to be released at a single time. This can happen because of
-
- Increased
age - Older women are more likely to release more than one
egg during a menstrual cycle. It has been calculated that
women in the age group of 35-40 are five times more likely
to have twins than mothers in their twenties.
- Fertility
treatment - Fertility drugs and in-vitro fertilization enhances
the chances of multiple births.
Having
twins may make you a star in your family and neighborhood,
but it also poses double trouble for you. Apart from the double
expense and problem of running after two active children instead
of one, there are certain complications unique to multiple
births.
-
Women carrying twins can easily gain upto 45 pounds and
are more susceptible to problems of calcium deficiency,
anemia and high blood pressure.
- Delivery
is often difficult and caesarian section has to be resorted
to.
- Medical
information and help is sometimes hard to get - most doctors
are not experts on multiple births. Abroad there are several
organizations that deal with information dissemination and
provide support. However, in India this concept is yet to
take off- the closest being chatting with other moms in
the same situation through Mom
to Mom!
- The
normal problems associated with pregnancy may sometimes
appear more severe, partly because of the increased size
of the uterus and partly because the placenta or placentas
produce higher levels of hormones. You may also have to
take greater precautions against iron deficiency.
- A
more serious problem that often arises in multiple births
is the problem of premature
labour. It is estimated that nearly half of all twin births
are preterm. The only prevention is lots of bed rest especially
after the 28th week, a positive attitude and a very careful
selection of your doctor
and maternity hospital.
There
are certain special problems that twins face that you may
have to be prepared for in advance. A twin is different from
all other children because of the overwhelmingly close bond
shared with the other twin. But this bond is not always a
good thing. Sometimes the stronger twin dominates the weaker
one to the mutual detriment of both. Sometimes both twins
become so close to each other that they have problems in socializing
and in relationships with others. So the parents of twins
have to be more alert for such problems and have to constantly
encourage the interests and talents of each twin. You may
also have to encourage them to make friends independent of
each other. And never make the mistake of thinking, particularly
for identical twins, that because they look alike they have
the same personalities or interests.
When
all is said and done however, a multiple birth is a magical
event not given to many. So lie back and look forward to the
time when you'll have not one but two little rosy bundles
in your arms for you to proudly display - and run after!
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