... This test only are, as their name states: screening tests. They only calculate your risk of having certain problems. They DO NOT give you a diagnosis, they do not tell you the baby will or will not have DS. They only estimate your chances based on your age, gestational age and the levels of certain hormones in your blood. Therefore we cannot say they have "false... (28 replies)

... When I was 17 weeks I took the triple screen test which my doc pushed without him explaining what it was really for. ... (28 replies)

... The false positive rate is 5-8%. The majority arent wrong, but this is why they do further testing. (28 replies)

... that baby is chromosomally normal. These tests have a very high false positive rate and there is no sense worrying until you have the Level 2 Ultrasound and it shows that there is cause for concern. Good luck. ... (28 replies)

... Does anyone know what percentage of triple screen tests come out as false positives? ... (28 replies)

... I don't know the exact percentage but I know that false positives are very high. When I was pregnant with my daughter, we also tested positive and went to a specialist. He did a high level ultrasound and did not find any markers. We waited 2 weeks and went back in for another and still he saw nothing. ... (28 replies)

... Triple Screen tests have a known history of coming up with "false positive" results. ... (4 replies)