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You are reading this information because your baby is suspected of having Edwards鈥� syndrome (also known as Trisomy 18 or T18) following your 20-week scan.

This information should help you and your health professionals to talk through the next stages of your and your baby鈥檚 care. It should support, but not replace, discussions you have with health professionals.

Finding out there may be a problem with your baby鈥檚 development can be worrying. It鈥檚 important to remember you are not alone.

We will refer you to a specialist team who will:

• provide more accurate information about your baby鈥檚 condition
• answer your questions
• help you plan the next steps

About Edwards鈥� syndrome

Inside the cells of our bodies there are tiny structures called chromosomes. These chromosomes carry the genes that determine how we develop. Cells in the human body contain 46 chromosomes. Changes that take place in the sperm or egg cells can lead to a baby having an extra chromosome.

Babies with Edwards鈥� syndrome have an extra copy of chromosome 18 in all or some cells.

There are 3 types of Edwards鈥� syndrome called full, mosaic and partial Edwards鈥� syndrome. How serious the condition is usually depends on the type of Edwards鈥� syndrome your baby has. Screening at the 20-week scan cannot tell you what type of Edwards鈥� syndrome your baby may have.

In many cases, Edwards鈥� syndrome is a life-limiting condition and survival rates are low. There is no way to cure this condition.

All babies born with Edwards鈥� syndrome will have learning disabilities and a wide range of health challenges, some of which can be extremely serious. They may have problems with their:

• heart
• respiratory system
• kidneys
• digestive system

Babies born with full Edwards鈥� syndrome can slowly make progress with their development, despite their complex needs.

Babies born with mosaic or partial Edwards鈥� syndrome may have less serious health challenges, but it is not possible to know this before the baby is born.

Causes

We do not know exactly what causes Edwards鈥� syndrome. It is not caused by something you have or have not done. Babies with Edwards鈥� syndrome are born to mothers of all ages but the chance of having a baby with this condition increases as the age of the mother increases.

You will be able to discuss your individual circumstances with a specialist team.

Edwards鈥� syndrome happens in about one baby out of every 1,500 (0.06%).

How we find Edwards鈥� syndrome

We screen for Edwards鈥� syndrome at the 鈥�20-week scan鈥� (between 18⁺⁰ and 20⁺⁶ weeks of pregnancy).

Screening for Edwards鈥� syndrome is also part of the combined test offered earlier in pregnancy between 10 and 14 weeks.

Follow-up tests and appointments

Because the result of the scan suggests your baby may have a condition such as Edwards鈥� syndrome, we are referring you to a specialist team which cares for pregnant mothers and their babies before they are born. They may be based at the hospital where you are currently receiving antenatal care, or in a different hospital.

The specialist team may offer you extra tests, such as chorionic villus sampling (CVS) or amniocentesis, which will be able to confirm if your baby has Edwards鈥� syndrome and what this might mean.

It may be useful to write down any questions you want to ask before you see the specialist team.

Outcome

There is no cure for Edwards鈥� syndrome. Sadly, many babies with Edwards鈥� syndrome are miscarried during pregnancy. Of those babies born alive around 13% live past their first birthday. Some babies may survive to adulthood, but this is rare. The life expectancy for babies born with mosaic or partial types of Edwards鈥� syndrome can be much more variable.

Babies with Edwards鈥� syndrome are likely to need specialist care and treatment after they are born. This will focus on the symptoms of the condition that they have. Babies with Edwards鈥� syndrome may also have a low birthweight.

Next steps and choices

If it is confirmed that your baby has Edwards鈥� syndrome, you can talk to the team caring for you during your pregnancy about your baby鈥檚 condition and your options. These will include continuing with your pregnancy or ending your pregnancy. You might want to learn more about Edwards鈥� syndrome. It can be helpful to speak to a support organisation with experience of helping parents in this situation.

If you decide to continue with your pregnancy, the specialist team will help you plan your care. The team will discuss with you how you wish your baby to be cared for after birth. Depending on your baby鈥檚 specific symptoms, palliative care may be offered. Children鈥檚 palliative care is about promoting the best possible quality of life and care for every child with a life-limiting condition and their family.

If you decide to end your pregnancy, you will be given information about what this involves and how you will be supported. You should be offered a choice of where and how to end your pregnancy and be given support that is individual to you and your family.

Only you know what the best decision for you and your family is.

Whatever decision you make, your healthcare professionals will support you.

Future pregnancies

If you choose to have another baby, they are unlikely to have Edwards鈥� syndrome.

Babies with Edwards鈥� syndrome are born to mothers of all ages but the chance increases as the mother gets older.

You can be referred to a genetic counsellor to discuss future pregnancies.

More information and support

is a national charity that supports people making decisions about screening and diagnosis and whether or not to continue a pregnancy.

is a national charity that supports families affected by Edwards鈥� syndrome, Patau鈥檚 syndrome and related conditions.

You can find further .

Find out聽how NHS England uses and protects your screening information.

Find out聽how to opt out of screening.