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PREGNANCY
TESTS
For most pregnant women, carrying a baby to
term is largely a mysterious process. This
section helps new parents answer some of the
most important questions about pregnancy and
childbirth.
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Prenatal diagnosis, Genetic counseling and
Biochemical screening
The incidence of major abnormalities discovered at birth is
just 2-3 % now. With the development in science, we can
identify major abnormalities in the womb itself and that too in
very early stages.
Prenatal diagnosis is the science of identifying these
structural or functional abnormalities in the developing
fetus.
Should I go for genetic
counseling?
When will you go for the genetic Counseling? If you are not
in the following high risk group, you need not go for it.
1. Advanced maternal age (more than 35)
2. A fetus with any structural defect identified by ultra-
sonography.
3. Previous history of any previous child with a genetic
disorder
4. Parent with a genetic disorder
5. Family history of specific genetic disorder
6. Patient or partner is carrier of chromosomal translocation /
inversion.
Screening for Structural anomalies can be done by a good
ultra-sonography, usually done between 20wks to 22 wks.
What are the Complications that can
occur?
Chromosomal Abnormalities
These can be picked up by amniocentesis done in high risk
cases and cases with a high index of suspicion. The most common
of which is DOWN’S SYNDROME.
More on DOWN’S
SYNDROME ...
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