What's It Called When They Look at the Baby
This detailed ultrasound scan, sometimes called the mid-pregnancy or anomaly scan, is usually carried out when you lot're between eighteen and 21 weeks pregnant.
The 20-week screening scan is offered to everybody, just you do not have to take it if you practice non want to.
The scan checks the physical evolution of your infant, although information technology cannot pick up every status.
The 20-week screening scan is carried out in the same way as the 12-calendar week browse. Information technology produces a 2nd black and white image that gives a side view of the baby. The NHS screening programme does not use 3D or colour images.
The browse is a medical examination. You'll be asked to give your permission for it to be carried out.
Make certain you empathize what's going to happen, and experience free to inquire any questions.
Important: Coronavirus (COVID-19) update
If you're well, it'due south really important you go to all your appointments and scans for the health of you and your baby.
If you're pregnant, hospitals and clinics are making sure it'southward safe for you to go to appointments.
If you get symptoms of COVID-19, or you're unwell with something other than COVID-19, speak to your midwife or maternity squad. They volition advise you what to practise.
Find out more about pregnancy and COVID-xix
What does the scan wait for?
The 20-week screening scan looks in detail at the baby's bones, heart, brain, spinal string, face, kidneys and belly.
Information technology allows the sonographer to look for 11 rare conditions. The scan only looks for these weather condition, and cannot observe everything that might be wrong.
You tin find more information on each of these conditions, including treatment options, in these leaflets from GOV.Britain:
- anencephaly
- open spina bifida
- crack lip
- diaphragmatic hernia
- gastroschisis
- exomphalos
- serious cardiac abnormalities
- bilateral renal agenesis
- lethal skeletal dysplasia
- Edwards' syndrome, or T18
- Patau's syndrome, or T13
In well-nigh cases, the scan will evidence that the baby appears to be developing equally expected, but sometimes the sonographer volition detect or suspect something different.
If there'southward a condition, will the browse find it?
Some atmospheric condition can be seen more clearly than others. For example, some babies take a status called open up spina bifida, which affects the spinal cord.
This can unremarkably be seen clearly on a scan, and will be detected in effectually 9 out of 10 babies who have spina bifida.
Some other conditions, such as eye defects, are more difficult to meet. The browse will find about half (5 out of 10) of babies who have middle defects.
Some of the conditions that tin can be seen on the browse, such as cleft lip, will mean the babe may demand treatment or surgery afterward they're born.
In a pocket-size number of cases, some very serious conditions are institute – for example, the babe's brain, kidneys, internal organs or bones may not have developed properly.
In some very serious, rare cases where no treatment is possible, the baby will dice shortly afterwards they're born or may die during pregnancy.
What happens at the 20-week scan?
Most scans are carried out by particularly trained staff called sonographers. The browse is carried out in a dimly lit room so the sonographer tin go skillful images of the baby.
You'll be asked to lie on a couch, lower your skirt or trousers to your hips and elevator your top to your breast so your belly is uncovered.
The sonographer or their assistant will constrict tissue paper around your vesture to protect it from the gel, which will be put on your tummy.
The sonographer and so passes a handheld probe over your pare to examine the baby's body. The gel makes sure at that place's good contact between the probe and your peel. A black and white epitome of the babe will appear on the ultrasound screen.
Having the scan does not injure, but the sonographer may need to apply slight pressure to go the best views of the baby. This might be uncomfortable.
The sonographer needs to proceed the screen in a position that gives them a good view of the baby. The screen may exist direct facing them, or at an angle.
Sometimes the sonographer doing the scan will demand to be repose while they concentrate on checking your baby. But they'll be able to talk to you well-nigh the pictures once they've completed the cheque.
The appointment for the xx-week screening scan ordinarily takes effectually 30 minutes.
Sometimes information technology'due south difficult to get a adept picture if the babe is lying in an awkward position or moving around a lot, or if you're higher up average weight or your body tissue is dense. This does non mean there'due south annihilation to worry nearly.
Y'all may demand to have a full bladder when you come up for the appointment. The doctor or midwife looking after you will permit you know before you come. If you lot're not sure, y'all can contact them and ask.
Can I discover out the sex of my baby?
If yous want to know your baby's sex, you should inquire the sonographer at the start of the scan, and then they know that they need to check.
Some hospitals may turn down to tell you sex of the baby. Speak to your sonographer or midwife to find out more.
Tin my partner or a friend come up to the scan with me?
Yep. The 20-week screening scan tin sometimes find the baby has a health condition. You may similar someone to come with y'all to the browse date.
Most hospitals practise not permit children to attend scans as childcare is not usually bachelor. Ask your hospital nearly this before your appointment.
Can the browse impairment me or my baby?
There are no known risks to the babe or y'all from having an ultrasound scan, but it'southward important to think carefully about whether to have the scan or not.
It may provide data that may mean y'all take to make some important decisions. For example, you may be offered farther tests that have a gamble of miscarriage, and you'll need to decide whether or not to accept these tests.
Practice I have to accept this scan?
No – it's your choice whether to have information technology or not. Some people want to find out if their baby has a condition, and some do non.
If y'all choose not to have the scan, your pregnancy care volition keep as normal.
When will I get the results of the scan?
The sonographer will be able to tell you the results of the scan at the time.
What if the scan shows something?
Nearly scans show that the baby seems to be developing as expected.
If whatever condition is institute or suspected, the sonographer may ask for another member of staff to wait at the scan and give a second opinion.
Scans cannot observe all weather condition, and there's always a take chances that a infant may be born with a health outcome that scans could not have seen.
Will I demand whatever farther tests?
If the browse shows at that place might be something, yous may exist offered another examination to observe out for certain.
If you're offered further tests, you lot'll be given more than data most the tests so y'all can decide whether or not you want to have them.
You'll be able to discuss this with your midwife or consultant. If necessary, you'll be referred to a specialist, possibly in some other hospital.
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Source: https://www.nhs.uk/pregnancy/your-pregnancy-care/20-week-scan/
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