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Prenatal Carrier Screening Test – Inherited

Below is a plain-language overview of the prenatal carrier screening test – inherited. Prenatal carrier screening identifies if you carry genes for certain inherited conditions.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

This test screens for carrier status of genetic conditions such as Spinal Muscular Atrophy, Fragile X Syndrome, and Cystic Fibrosis. It helps understand the risk of passing these conditions to your child.

What it measures

  • Spinal Muscular Atrophy (SMA) — reflects carrier status for SMA
  • Fragile X Syndrome — reflects carrier status for Fragile X
  • Cystic Fibrosis (CF) — reflects carrier status for CF

What the test involves

The test involves a standard blood draw, where a sample is collected from your arm. The sample is then analyzed for specific genetic markers.

Why it is often ordered

Clinicians typically order this test for individuals planning a pregnancy to assess the risk of inherited conditions. It helps in making informed family planning decisions.

Preparation

Preparation may include specific instructions from the lab, so it's important to follow their guidance closely.

How results are reported

Results indicate whether you are a carrier for any of the tested conditions. Reference ranges and interpretation can vary by laboratory.

Before you go

  • Sample collection method
  • Turnaround time
  • Preparation instructions

FAQ

Frequently asked questions

What does it mean to be a carrier?

Being a carrier means you have one copy of a gene mutation for a specific condition but do not show symptoms. Carriers can pass mutations to their children.

Can this test predict if my child will have these conditions?

The test identifies carrier status, not if your child will have the condition. If both parents are carriers, there is a higher risk of the child being affected.

Is this test covered by insurance?

Insurance coverage varies, so it's best to check with your provider to understand what is covered under your plan.

How accurate is the prenatal carrier screening?

The test is generally reliable, but accuracy can depend on the specific laboratory methods used. Discuss any concerns with your healthcare provider.

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