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ovo prenatal offers patients a wide range of prenatal diagnostic and screening tests. See the comparative table below for a brief overview of the various tests that your doctor might recommend or prescribe during pregnancy.
Some tests cannot be performed without a prescription; talk to your doctor about your options.
| Optimo | Harmony | Ultrasound 1st trimester + nuchal translucency | Prenatal diagnostic (amniocentesis and chronic biopsy) | |
|---|---|---|---|---|
| Test | Ultrasound + maternal blood test | Maternal blood test | Ultrasound | Collection of amniotic fluid or chorionic villi |
| Conditions screened for |
|
|
|
|
| Detection rate |
|
Screening > 99% for trisomy 21 | Screening for ultrasound markers variable | Diagnostic close to 100% |
| Available for twin pregnancy | No | Yes | Yes | Yes |
| Pregnancy stage | Between 11th week 4 days and 13 weeks 6 days | From 10th week | Between the 11th week and 13 weeks 6 days |
|
| Prescription required | if possible | Yes | Yes | Yes |
| Time to results | 3 business days | 5 business days | Preliminary report given same day . Final report given to doctor |
Preliminary FISH test: 48 hours Conventional karyotyping: 2 weeks |
| Special features | 2nd step Offered free of charge if risk of trisomy 18 and/or 21 s moderate or high (>1/2500) | Offered in some cases only, given the risks involved to the pregnancy; consult with the doctor following the pregnancy | ||
| Prices | 395$ ultrasound not included (covered by most insurance compagnies) |
525$ (550$ For Sex chromosome aneuploidy) |
160$ 250$ twins |
Amniocentesis:
Chorionic villus sampling:
|
*Available in Montreal only.
Note : The AFP blood test for neural tube defects, including spina bifida, is done systematically during the second-trimester blood test (4 markers), or during step two of the ovolution test. The AFP blood test is recommended if there is a family history of a neural tube defect.
