Please note the following upcoming holiday hours: Closed on Monday, December 25, 2017 and Monday, January 1, 2018 with limited operations on Tuesday, December 26, 2017.
The Counsyl Prelude™ Prenatal Screen can be done as early as 10 weeks into your pregnancy and can reduce the need for invasive tests like amniocentesis.See what we test for
Counsyl has screened hundreds of thousands of people, and we work directly with a network of over 6,000 health care professionals.Hear from our patients
The Counsyl Prelude Prenatal Screen is covered by most major insurance companies. Chances are yours is one of them.Learn more about Counsyl billing
Usually babies have 46 chromosomes—23 from each parent. Occasionally, a baby will have an extra or a missing chromosome. These changes can lead to developmental conditions like Down syndrome or Turner syndrome. Using a simple blood draw from the mother, the Prelude Prenatal Screen looks for evidence of an extra or missing chromosome that may affect a baby’s health.
If you’re interested in knowing, this test can also be used to predict the sex of your baby.
The Prelude Prenatal Screen looks for the most serious chromosome conditions, including Down syndrome (Trisomy 21), Edward's Syndrome (Trisomy 18), and Patau Syndrome (Trisomy 13).
Your doctor or healthcare provider can help decide whether you should screen for conditions that aren’t as serious or aren’t as common, including too many or too few sex chromosomes and microdeletions.View full list
If your screen turns up something unusual, your doctor or healthcare provider will offer a follow-up diagnostic procedure to confirm the result.
Before the 14th week of your pregnancy, a doctor can take a small sample of your placenta to confirm the result of the Prelude Prenatal Screen.
Between the 16th and 22nd week of your pregnancy, a doctor can take a small sample of fluid from your uterus to confirm the result of the Prelude Prenatal Screen.
Whether or not you have a more invasive diagnostic procedure, you can learn about your options from one of our genetic counselors, so you can feel confident you’re making the best decision for you.
Taking it has helped me sleep better because getting answers - one way or the other - is a huge relief.Counsyl patient, expecting her first baby girl
Ask your doctor or healthcare provider to order the Prelude Prenatal Screen.
Your doctor or healthcare provider will send the sample directly to us.
Results from the Prelude Prenatal Screen are available in about one week, and you can access them online.
Our genetic counselors are here for you to answer questions and make sure you have all the resources you need.