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LifeLabs supports over 19 million patient visits annually, performing over 100 million tests.
LifeLabs is Canada’s largest community laboratory testing services provider.
Foresight™ is a genetic screen for would-be and soon-to-be parents that can detect whether the parents unknowingly carry genetic-based conditions that may be passed to their children. This test examines both X-Linked and autosomal recessive traits in one or, ideally, both of the parents. Based on a blood or saliva sample, the test estimates whether the recessive traits are likely to appear in your child.
Most of us are carriers of several genetic diseases that do not impact our everyday lives. This screening tool looks for over 175 conditions that affect 1 in 550 births. Click
here for the complete list.
Recessive conditions are caused by changes, known as mutations, in a person's genes. Every person has two copies of a given gene, one inherited from each parent, and a recessive condition occurs when both copies of the same gene have a mutation.
A carrier is someone who has only one gene with a mutation – their other copy of the gene is unaffected, and as such, carriers are typically symptom-free and do not know they carry the mutation.
Anyone planning a pregnancy or pregnant women should be offered carrier screening, independent of ethnic background, and couples can choose to screen both partners simultaneously.
Even without a family history of genetic conditions, you can still be a carrier. When two people are carriers of the same condition, they can, unknowingly, have a child with lifelong health issues. In fact, 4 out of 5 children with recessive genetic conditions are born to couples with no known family history of that condition.
When two parents are carriers of the same genetic mutation, each child has a 1 in 4 (or 25%) chance of being affected by the associated condition.
For certain conditions, such as fragile x syndrome, only the mother needs to be a carrier for the child to be at an increased risk.
You have options! Your healthcare provider is available to guide you through these various options to find out what is best for you, and knowing your carrier status before or early in your pregnancy gives you time to learn about the disorder and prepare.
Generally, no follow-up testing is suggested for any of the conditions you were screened for. It is important to understand that no screen is able to identify every carrier of every condition. Speak to your healthcare provider if you have special concerns due to family history or other factors.
The Counsyl expanded carrier screen is a simple blood or saliva test prescribed by your healthcare provider, and the average turnaround time for results is two to three weeks.
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For more information about the genetic tests offered contact our Genetics Helpline 1-84-GENE-HELP (1-844-363-4357) or email:
Counsyl Foresight™ Expanded Carrier Screen tests use a small sample of saliva or blood.
Test results will be available within 3 weeks.
Most people don’t have a known family history of genetic conditions and only learn that they’re carriers after having an affected child.
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