Dr.sathya balasubramanyam

MD DNB MRCOG (UK) FNB(Reprod med)

Genetic screening and counselling are provided in cases where it is deemed necessary for the birth of a healthy child. The genetic screening tests help in identifying the chances of passing defective genes from the parent to child leading to hereditary or genetic diseases in the baby.

Some of the common genetic disorders include Down's syndrome, sickle cell disease, cystic fibrosis and Tay-Sachs disease, which is a fatal disease that is known to affect our central nervous system. Conditions such as Marfan syndrome or Huntington’s disease can be inherited by the baby from a single parent.

 

GENETIC SCREENING AND GENETIC COUNSELLING

Genes are built from several DNA molecules that are considered to be the building blocks of hereditary. They are arranged in specific, unique patterns within the chromosome, providing unique biological and physical characteristics for a person. Every human being has 46 chromosomes paired up with every living cells of our body.

During the time of conception, the embryo inherits half of each of the chromosomal pairs from both the parents. This chromosome combination is then copied during the different stages of foetal growth passing on the same genetic information to the new cells developed during the growth process.

We have about 25000 genes in each cell. An abnormality in any one of them or a minor alteration in even a single DNA can result in serious medical conditions. Genetic disorders such as Down Syndrome are caused due to the occurrence of mutation during the cell division process occurring at the time of conception or foetal growth.

Genetic counselling involves the following procedures

  • Evaluating couples for the need of genetic testing based on an assessment of previous medical and familial history

  • Conducting genetic testing, if the patient is willing

  • Evaluating the results obtained from the tests

  • Assisting parents in reaching a decision about the next course of action if the result is positive

Women who have faced recurrent birth of babies with anomalies and those faced with frequent miscarriages are some candidates for genetic testing. Women over the age of 35 years are also made aware of the options for genetic testing to rule out anomalies such as Down syndrome in the baby.

 

 

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DR.SATHYA BALASUBRAMANYAM

Dr. Sathya Balasubramanyam

MD DNB MRCOG (UK)
FNB(Reprod med)
CLOUD NINE HOSPITAL

Clinical Director Fertility

SEETHAPATHY CLINIC AND HOSPITAL

Consultant Reproductive Medicine

SUNDARAM MEDICAL FOUNDATION

Consultant Reproductive Medicine

VIJAYA HOSPITAL

Consultant Reproductive Medicine


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