Think, what dating scan screening authoritative

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A dating scan is an ultrasound examination which is performed in order to establish the gestational age of the pregnancy. Most dating scans are done with a trans-abdominal transducer and a fullish bladder. If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures. Dating scans are usually recommended if there is doubt about the validity of the last menstrual period. By 6 to 7 weeks gestation the fetus is clearly seen on trans-vaginal ultrasound and the heart beat can be seen at this early stage 90 to beats per minute under 6 to 7 weeks, then to beats per minute as the baby matures.

Implementation of maternal blood cell-free DNA testing in early screening for aneuploidies. Ultrasound Obstet Gynecol. Fetal size and dating: charts recommended for clinical obstetric practice. Ultrasound ; 17 3 : Non-invasive prenatal testing. Addition of non-invasive test to improve screening for pregnant women. Blog, PHE screening. Public Health England. Ultrasound scans. Evaluation of gestation emedicine. Pregnancy - screening tests. Health Information. The pregnancy dating scan.

Ultrasound scans in pregnancy. Your guide to screening tests during pregnancy. Antenatal care for uncomplicated pregnancies. ated January National Institute for Health and Care Excellence. Multiple pregnancy: antenatal care for twin and triplet pregnancies CG Ectopic pregnancy and miscarriage: diagnosis and initial management CG Antenatal care www. Screening tests for you and your baby.

ated February Introduction to antenatal screening tests. Your choices in pregnancy. The NICHD fetal growth studies: development of a contemporary formula for estimating gestational age from ultrasound fetal biometrics.

Am J Obs Gynecol 1 :S Nuchal translucency scan.

Dating scan

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We use your health information to make our site even more helpful. By clicking the button, you agree to our policies and to get emails from us. Join BabyCentre. Sign up to receive free emails and track your baby's development. The week scan helped check for twins and was a moving experience. The sonographer explained Text only Read below The week scan helped check for twins and was a moving experience.

But it actually turns out that my father's parents on both sides there had been a history of identical twins, but they had died so we didn't know about it, because they'd died as babies.

A dating scan is an ultrasound examination which is performed in order to establish the gestational age of the pregnancy. Dating scans also reveal other important information such as: the number of fetuses and gestation sacs. the presence of a heart beat. the size of the fetus, from which the . The dating scan is usually done at some point between 8 weeks and 14 weeks recommends it's done between 10 weeks and 13 weeks. You will have had earlier appointments and may have had an early scan if you've had any concerns such as bleeding, but otherwise this is the first time you'll get to see your baby, so it's a real milestone in your pregnancy. A screening test for Down's syndrome, Edwards' syndrome and Patau's syndrome is available between weeks 10 and 14 of pregnancy. It's called the combined test because it combines an ultrasound scan with a blood test. The scan can be carried out at the same time as the pregnancy dating scan. If you choose to have the test, you will have a blood.

I actually was kind of thinking, 'Oh, well, if it was twins then what you don't know won't hurt you'. And, you know, I've never had a baby before so if I had two then I wouldn't know any different to just having one. My husband, on the other hand, was quite relieved to see there was only one, because he was of the opinion that one would have to be sold because we wouldn't be able to afford two!

So he was quite pleased. Did you know about your family history then, before you went for the scan or did it only come up afterwards when somebody said, 'Oh, yeah, we've got twins too'? It came up when I found out I was pregnant.

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Because my husband's a non-identical twin, so we didn't think there was much risk of any sort of genetic thing, but the fact that there was identical twins was kind of a bit of a, 'Oh, right, okay, you might have told me that beforehand. I suppose it was very emotional, actually. It was a lot more emotional than I thought it would be. I mean, I'd heard people saying, 'Oh, you know, you're so moved' and I thought, you know, because I've seen it, when people show me scans I've thought, 'I can't make that out', and they say, 'There's the baby' and I think, 'Oh right, okay.

And then, you know, we saw this little thing, which the ultrasound technician couldn't, it was asleep at the time, so she was poking it and trying to get it to move, which it eventually did, poor little thing. So, but yes it was really quite a moving experience.

And did the ultra-sonographer talk you through what he or she was doing? Yeah, yeah, she was very good actually'. Was there any point where you felt you weren't being given enough information about what they were looking at or for? No, she was actually very, very good. I mean, I did ask when she was having a look to try and, and she was trying to measure the fetus, and I asked how many there were, because she hadn't actually said, you know, 'There's only one'.

I think that's the only time I had to actually ask her anything. She was very, very good. Talked us through it. As with other scans, most women and their partners found it enjoyable and reassuring.

They were relieved to see there really was a baby.

Dating scan screening

The chance to take home a photograph was valued - a charge may be made for this. Many people felt positive about the way staff talked them through what they were doing, including a woman who had seen scans before as a health professional. One woman described how special it seemed to her, whilst for the staff it seemed very routine.

They did not say much and it seemed very quick. The week scan was a wonderful experience for them, but the staff seemed to treat it as very Did you both go?

Yes, we both went. It was very, very straightforward, you know, and a fantastic experience. And we actually managed to just, to see a really good image on the screen, which looked like a baby!

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And it, I think that we did feel, it was very quick. That was sort of one thing that I think we hadn't quite expected how quickly it was done. And we realised that we were just one of thousands, whereas, you know, when you're actually experiencing it you're the only people in the world who are looking at a fetus on the screen of your baby.

But I think that was something I remember from it. It was very matter-of-fact from their point of view, but it was incredibly significant for us.

What are Down's syndrome, Edwards' syndrome and Patau's syndrome?

But there was a sense of sort of relief when it was there. I suppose for me personally to see this baby was just confirmation that it was there, given I hadn't really had any symptoms, and there was no denying its existence and it was actual visual proof that there was a child there. What about your husband's feelings? Yeah, very similar I think. Yeah, he very much enjoyed it and was excited and, you know, we got a print-off of the scan and got copies for the grandparents and that sort of thing.

Did the person doing the scan communicate much with you during it? No she didn't. I mean I'm often sort of curious to know who these people are and what, you know, whether this is all they do all day every day or whether it's a broader part of their, part of a broader job and things and she didn't actually seem particularly interested in engaging in conversation.

It did feel very much of, 'Yes, you're the next on my list of people to scan'. I did note that there were sort of no introductions, for instance she didn't sort of say, 'I'm. There was not very much rapport building, I didn't feel. I didn't particularly feel I needed that personally, but it did cross my mind at the time that had I been feeling more anxious than I was, or perhaps if I'd been on my own, it didn't feel the most comforting of environments. Sometimes the week scan is performed at the same time as the booking-in visit with the midwife, so there has been little time to discuss beforehand what might happen.

For some people, the dating scan is the point when they discover that their baby has not survived. Several people described what a terrible shock this was, and how they did not feel prepared for this possibility. Finding at her first week scan that the baby had died was a terrible shock. Her husband was It was a terrible shock, I think, because it was my first pregnancy. I was then very inexperienced. I hadn't even heard of, I'd heard of miscarriage and the sort of regular things that go wrong with sort of early pregnancy.

So when the lady who was scanning me asked me if I was sure I was pregnant, I mean I just did not understand what she was saying. So I mean I thought I was 14 weeks pregnant.

A dating scan is an ultrasound scan to determine how many weeks pregnant you are and your due date. Read on for more information about what a dating scan offers. Dating scans are used to confirm how many weeks pregnant you are and your expected due date. A dating scan might be recommended to confirm your due date if you are unsure of your last. This is sometimes called a nuchal translucency scan. The nuchal translucency measurement can be taken during the dating scan. If you have agreed to have screening for Down's syndrome, the dating scan and the screening will usually happen at the same time. Find out more about the combined screening test for Down's syndrome. You will not be. As long as the timings are right, you can have the NT scan and blood test at the same appointment as your dating scan. But you'll have the dating scan first. That's because the screening test needs an accurate due date to be reliable (NICE , PHE , NHS b, UK NSC ). Hormones in your blood vary according to your stage of pregnancy.

I probably could've understood if she'd said the baby's died or there's something wrong with it. But when she asked me if I was sure I was pregnant I just, you know, I just couldn't comprehend what she was saying. And then she showed me a picture of the womb and there was nothing there. It was, I think I was in shock for about a week, I just sort of couldn't understand sort of what had happened.

Did your husband come with you to the scan? No, he didn't actually.

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I mean, we've always been, you know, sort of quite independent, and I actually just went with my sister. I didn't, I suppose that's one of the sort of, it was the sort of first example, I didn't see it was like a sort of massive thing.

Even though I was definitely nervous, because I thought, you know, it might have died or something, you know. It might have gone wrong. But I definitely wasn't prepared for what had happened to have happened. And then I called him and, you know, he came along and was then with me until I went home. But I think it was just the emptiness of the whole experience afterwards. You feel sort of numb with kind of disappointment and upset.

And I think because I feel so dreadful in early pregnancy that it completely stops my life, so you feel like you've had - not that it's been wasted - but you know, I can't do anything, I'm just constantly sick, you know, just feel terrible, and you just feel so let down.

You just think, 'I've gone through all that for nothing, and I've got to go through it all again if I want to get pregnant again'. So it feels like quite an upheaval to get over that sort of, those feelings.

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She knew at once something was wrong at her first week scan, when it was discovered the baby And then I knew that this isn't right.

And then she did an internal scan and she said - she first, when she couldn't, she said, "Oh, I can't, I'm, I'm" - I can't remember how she phrased it but she didn't say in an alarmed way, "Ooh, there's a problem," but she did say, "Oh, I'm having trouble. Would it be OK for me to do an internal scan? So she explained when she thought, what size the fetus was and so how old it was when it had died, and offered me a photo and said, you know, she gave me a bit of information.

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And then after that I saw a GP as well, but that was obviously partly because there was going to be a procedure involved to, you know, I went into hospital the next day.

But she, the GP then explained what the, and they were very, I think it was dealt with in a very sensitive way then. It was very supportive.

Nuchal Translucency Scan (11 Weeks - 14 Weeks)

I think it was handled as sensitively and as kindly as it could have been, I think. It's more that before I had the scan, knowing what the chance, knowing that information about what the chance of miscarriage was.

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And that's a difficult, I can see how for a GP that's hard, if I go and I say, 'I've found I'm pregnant,' and to say "Well, you know, this is, you'll have a scan then but you must be aware that" - I know that's really hard and that people - when I've just said that, you know, I was feeling so elated and that it was very sort of mundane, but actually they could've explained why they were being quite mundane about it, I think and just sort of saying, I don't know, I think I mean, you know, and had to hare sort of, like - I don't know, what is it?

Two hundred miles down the motorway, feeling absolutely like ghastly, you know. Because they were not expecting any problems neither of these women had their partner with them, although both had taken a friend or relative instead and were glad not to be alone.

One of them explained how she knew straight away from the behaviour of the person doing the scan the sonographer that something was wrong, even though she was supportive and tried not to make her anxious.

She was given a photo to keep. Another mother who had paid for a private scan was touched that the staff returned her money when the baby was found to have died. A dating scan cannot usually provide an assessment of the risk of the baby having Down's syndrome, but occasionally it can detect very obvious problems. This is something people did not feel well prepared for. This meant the baby had more fluid than expected at the back of the neck.

She had no idea the week dating scan could detect problems, and felt completely ususanneill.comepared for I had no blood tests or - yeah, but we hadn't entered any discussion. It hadn't entered our minds that anything would be wrong. In thinking you'd go for a scan but not for other screening, were you kind of separating out the purpose of a scan? Yeah, totally na've about it, about the whole process. As far as I was concerned going for a scan was just to get a photograph and just to check the number of weeks.

I wasn't aware at all that it was looking, intent on looking for any problems.

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I wasn't made aware of that, and I just wasn't aware of it. Is that a common perception, do you think, when you talk to friends? I think so, I think most people just happily go along to their first 12 week scan just thinking it's a purely a dating scan. It's called a dating scan and you don't enter into any discussion beforehand about what they are actually looking for, and what can be picked up by a scan.

We were just quite happy, just joking and laughing, saying, 'Oh, hopefully this is, you know, not - we're not going to have many visits to the hospital', because neither of us really liked hospitals. And we got there and were waiting in the waiting room, went for the scan and the first thing I noticed was just it just wasn't a very pleasant place.

It sounds ridiculous, but the wallpaper was hanging off and the curtains were, you know - it was not a, it didn't feel particularly pleasant. We were scanned by a, I think she was a student scanner who immediately said, 'I've got to go and get someone else. And we said no.

And then she immediately said, 'Oh, I've got to go and get somebody else' and we presumed it was to do with her being a student. And then a man came in and scanned us, and said, 'I can't see properly,' and I think at that point I said, 'Is there anything wrong? It's got an arm and two legs - it's got two arms, two legs and a head. It must have been while they were gathering people. You know, they must have spotted something and it was while they were gathering people together and making appointments with consultants and things for me.

But I was just, we were just stranded in the waiting room, drinking water. And what was going through your head, how far did you think, 'This is normal' or think, 'This is something wrong'?

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I wasn't totally thinking, 'There is something wrong here', because I hadn't, it was the first scan I'd ever been for, so I wasn't, I wasn't totally aware that there was something wrong. Now, of course, I would be, and talking to friends and family, you know, they've all been through similar scanning processes with their babies and I just, I didn't realise how far something had gone wrong, really.

Had he talked to you much during the first session that you had with him?

All women will be offered a dating scan, and an 20 week mid-pregnancy or fetal anomaly ultrasound scan. The main purpose of a dating scan is to check the stage of . Like other screening tests, an NT scan won't give you a diagnosis. The scan can only assess your baby's risk for certain problems and help you decide whether to have chorionic villus sampling (CVS) or amniocentesis to find out whether your baby is actually affected. You can also wait and combine the results with second trimester screening results for more information about your baby's risk.
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