Genetic screening before marriage: a proactive step towards preventing genetic diseases

Objectives of medical genetic testing before marriage:


Medical genetic testing before marriage has several objectives aimed at informing couples about their family planning options:

Identify carriers of genetic diseases:

This is the primary objective. Carriers may not show symptoms but have one copy of a changed gene that can cause serious illness in their children if their partner is also a carrier for the same condition. Testing helps identify these carriers for informed decision-making.

Reduce the risk of passing on genetic disorders:

By identifying carrier status, couples can discuss the possibility of having children and the potential risks involved. This information can be used to consider options like prenatal testing or in vitro fertilization with preimplantation genetic diagnosis (PGD).

Promote informed decision-making about family planning:

Genetic testing provides valuable information about carrier status for specific diseases. This information can be used to make informed decisions about having biological children, adopting, or using donor sperm or eggs.

Increase awareness about hereditary diseases:

Genetic testing can raise awareness about hereditary diseases within a family lineage. This can prompt at-risk individuals to seek further testing or counseling for themselves or their family members.

Prepare for a healthy pregnancy:

If a couple is identified as being at increased risk for having a child with a genetic disorder, they can talk to a genetic counselor about prenatal testing options to identify any genetic abnormalities in the fetus early in pregnancy.


Remember, genetic testing is a personal decision, and there is no right or wrong answer. Couples should weigh the risks and benefits before making a decision.

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