Who need Genetic Counselling?
Genetic counselling
is the procedure in which the client at risk of an inherited disorder are
advised of the concerns and nature of the disorder, the likelihood of
developing or transferring it, and the options open to them in management and
family planning.
In genetic
counselling, counsellor evaluates family history & medical records, ordering
genetic tests, assess the results of investigation and helping parents to understand
and reach decisions about future actions. Genetic test are done by analysing
small samples of blood or body tissues. They determine whether person or
partner carry genes for certain inherited disorders.
Genetic counselling
helps people to comprehend the nature of genes, birth defects and medical
conditions that run in families and how they affect family’s health. Genetic counselling
provides rich information and support to affected persons who may be at risk
for genetic disorders.
There are major
grounds for getting genetic counselling. People may go to counsellor when they
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Have
a personal or family history of a genetic condition or birth defect.
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Are
pregnant or planning to be pregnant after age 35.
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Already
have a child with a genetic disorder or birth defect.
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Have
had two or more pregnancy losses or a baby who died.
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Have
had ultrasound or screening tests that suggest a possible problem.
People who have
following disorder may seek genetic counselling:
-
People
are grip in genetic disorders e.g. Cystic Fibrosis, Hemophilia, Down’s syndrome.
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They
have Birth defects such as Spina Bifida, Cleft Lip and Palate, Congenital heart
disease, club foot.
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People
with Inherited Cancers such as Breast and Bowel Cancers may visit genetic
counsellor.
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People
who have intellectual disability, hearing or visual disability, infertility or
multiple miscarriages or infant deaths may contact genetic counsellor.
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Genetic
defects occurring frequently in special ethnic and rational groups e.g. Tay-Sac
disease, Sickle cell Anemia,Thalassemia.
Key steps of genetic counselling:
For precise diagnosis
of disorder, counsellor initially review the detail history of client.
Next step is to
prepare pedigree chart. Pedigree must be developed through proper
interrogation. Pedigree is helpful in
making a diagnosis of genetic disease. It also determine a person’s risk of
developing a genetic disease. Pedigree include important medical information such
as birth date, age of death, and cause of death, health problems and results of
genetics test. It is also used to estimate the risk of relative face to develop
a genetic disease or have a child with a genetic disease.
Estimation of risk is
one of the significant aspect of genetic counselling. For estimation,
counsellor needs to consider mode of inheritance, analysis of pedigree and
results of various tests.
After completing all
above information and analysis, further step is to communicate to consultant.
People need to seek genetic
counselling before or during pregnancy. People who are at risk of genetic
disorder must choose genetic counsellor cautiously. They must always go to
trained counsellor who is a certified genetic counsellor.
Professional
counsellors are postgraduates health professionals with a graduate diploma or
Master’s in genetic counselling. They have an experience in the field of
medical genetics and counselling. They recognize family at risk, examines the
problems present in the family, interpret information about the disorder,
analyse inheritance patterns and, risk of re-occurrence & review available
option with the family. Genetic counsellors also serves as educators and
resource people for other health care professionals and for general public.
In final words,
genetic counsellors deal with clients concern about the risk of an inherited
disease or condition. These Counsellors are caretakers between genetic
information and technology. The counsellor must be adroit in the principals and
practice of psychosocial evaluation and intervention within which Genetic
Counselling functions. Effective counselling enables the couples to take wise
decision about future pregnancy. Counselling also aid affected individuals to
gain knowledge about the disorder and cope up with medical condition.
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