All pregnant women in the UK are offered antenatal screening tests*. Most women will be reassured by the results but some (approximately 5%) will be given a result that leads to decisions about diagnostic testing. It is your choice to have any test.
Diagnostic tests such as CVS and amniocentesis carry a small risk (approximately 0.5% or 1 in 200) of miscarriage which means the decision about whether to have them can be difficult. Unfortunately, there is no other way of knowing for sure whether your baby has Down’s syndrome and certain other genetic disorders.
*The types of screening tests offered to women may vary across the four countries of the UK.
*ultrasound scans can suggest there might be a condition (as in screening for Down’s syndrome) or confirm there is a condition (as in diagnosing spina bifida).
All tests should be fully explained to you by your doctor or midwife before you have them.
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