If your screening test returns a lower-chance result, you should be told within 2 weeks.
If it shows a higher chance, you should be told within 3 working days of the result being available.
If you choose not to have the screening test for these conditions, it's important to understand that if you have a scan at any point during your pregnancy, it could pick up physical abnormalities.
You will be offered an appointment to discuss the test results and the options you have.The charity Antenatal Results and Choices (ARC) offers lots of information about screening results and your options if you get a higher-chance result.Down's syndrome causes some level of learning disability. Some health problems are more common in people with Down's syndrome, such as heart conditions, and problems with the digestive system, hearing and vision.Sometimes these can be serious, but many can be treated. Sadly, most babies with Edwards' or Patau's syndromes will die before or shortly after birth.Obtaining a nuchal translucency measurement depends on the position of the baby and is not always possible.
If this is the case, you will be offered a different blood screening test, called the quadruple test, when you're 14 to 20 weeks pregnant.You can read about people's experiences of deciding to continue a pregnancy on the ARC website.If the screening test shows that the chance of having a baby with Down's, Edwards' and Patau's syndromes is lower than 1 in 150, this is a lower-chance result.Some babies may survive to adulthood, but this is rare.All babies born with Edwards' or Patau's syndromes will have a wide range of problems, which are usually very serious. Read more about Edwards' syndrome and Patau's syndrome.A screening test for Down's, Edwards' and Patau's syndromes is available between weeks 10 and 14 of pregnancy.