when do they do screening tests during pregnancy
Different screening tests are offered at different times during pregnancy. The screening test for sickle cell and thalassaemia should be offered before 10 weeks. You will be offered screening for Down's syndrome around the time of your dating scan, which happens when you are around 11 to 14 weeks pregnant.
This screening test measures the level of glucose (sugar) in your blood. diabetes. This test usually is done between 24 weeks and 28 weeks of pregnancy. had gestational diabetes in a previous pregnancy, screening may be done in the first trimester of pregnancy.
There are four basic types of screening tests for Down syndrome. Some of these tests need to be done early in the pregnancy, while one is not done until 15 to 18 weeks of pregnancy (at around 4 months). âFirst-trimester screening is typically done at 11 to 13 weeks of pregnancy.