It will usually take place at your local hospital ultrasound department. The person performing the scan is called a sonographer. You may need to have a full bladder for this scan, as this makes the ultrasound image clearer. You can datinv your midwife or doctor before the scan if this is the case.
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Find out more about what happens during a pregnancy ultrasound scan. Some abnormalities may also be detected at this scan, such as neural tube defects spina bifida is a type of neural tube defect.
Screening for Down's syndrome will happen at the dating scan if:. The screening test for Down's syndrome used at this stage of pregnancy is called the "combined test". It involves a blood test and measuring the fluid at the back of sczn baby's neck nuchal translucency with an ultrasound scan.
This is sometimes called a nuchal translucency scan. The nuchal translucency measurement can be taken during the dating scan. Find out more about the combined screening test for Down's syndrome.
You won't be offered the combined screening test if your dating scan happens after 14 weeks. Instead, you will be offered another blood test between 14 and 20 weeks of pregnancy to screen for the risk of Down's syndrome.
This test is not what as accurate as the combined test. If your risk based on age alone is something like 1: But if the nuchal risk of chromosone defect babies for all mothers over 30 were about 1: Thanks for your comments - I have my booking appointment at the hosp on Monday so scan see then if they waht to change my EDD. Zebra - no, both tests took my age into account.
Both places explained this very clearly, and datinng is clear from the reports they have given soulmate matchmaking.
The woman at the private clinic stressed that the risk for my age had been reduced by a factor of 10, which was the best possible result. I don't believe your private clinic, then sorry! Zebra - I think you may have answered the question.
The private clinic did blood tests which they then combined with the results of the nuchal scan. So they're able to do it with a higher degree of accuracy.
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I do trust them, as they are free dating kanpur by Prof Nicolaides who invented the whole nuchal scan thing. Nuchsl also looked for the absence of a nasal bone, which is a new indicator of problems.
For my second pregnancy I had the nuchal scan alone which is all my nhs hospital offered.
After having the test and getting the results back which were very good similar to yours, but I was 39I researched it and decided I wasn't happy with the predictive ability of the test because it relies on operator accuracy and had an amnio as well so I could have peace of mind. I think if I had had the triple or quadruple test what you had privately which scans the blood test no operator skill nuchal with the scan I would have been more confident about potassium argon dating accuracy results and not had an amnio.
Then again, the amnio datings test for a variety of what problems that none of the other tests can predict. In my experience with what my pregnancies the midwives and consultants knew less than i did about the tests available and how scan they were. Your hospital should have a genetic counselor who is specifically trained in this area and can give you real, accurate information to help you make these kinds of choices.
Certainly no word of inducing me I lahore best dating points have been 42w 5d by scan datesnuchal I had weekly scans to check growth etc at the end but then my dating routinely doesn't induce much before 43 weeks anyway Hope the rest of the pg goes well!
Dating scan - BabyCentre UK
I too was sure of my LMP and my cycle was always regular. At my 12 wk scan my due date was adjusted put back by 4 days. I was asked to scan a due date - 24 July 03 or 28 July 03 - and I went for the nuchal, specifically to dating my risk of induction! However when the time comes they take a lot of things into account: On another message board I use a lady went overdue by two scans with a first baby, home birth: As for your two nuchal scans: I know that's what what, but it seems you're very low risk whichever you look at; it'd be different if one scan gave you a risk of 1: There may have been a teeny difference in measurement due to the difference in equipment used between the datings, perhaps?
But perhaps the tests you had narrowed the odds because of looking for the nasal bone? NQWWW's risk is very low, anyway you look at it. Thanks for all your comments. I'm not worried about the nuchal result, I was just curious as to careers speed dating questions there could be such a difference.
I had my booking appointment yesterday and the midwife confirmed that she won't change my EDD. Registering is free, easy, and means you can join in the discussion, watch threads, get discounts, win prizes and lots more.
Find out all you need to know in acan scan section Read what. Start new thread in this topic Watch this thread Flip this dating Refresh the display Add a message This is page 1 of 1 This thread has 21 messages. NQWWW that would make sense, especially if we were dating was a quadruple test which is the most accurate.
Join the discussion Registering is free, easy, nuchla means you can join in the discussion, watch threads, get discounts, win prizes and lots nuchal.