how accurate is a dating scan?
Right here's my dates I only had sex once in january which was the 18th, my first day of my last period was 4th january I then found out I was pregnant in febuary. I had my scan last thursday and according to my dates I should of been around 11 week 6days but the ultrasound said 12week 6 days then they. As long as the timings are right, you can have the NT scan and blood test at the same appointment as your dating scan. From , NIPT will be rolled out on the NHS in England to women who are found to have a high chance of carrying a baby with Down's. A dating scan is an ultrasound scan to determine how many weeks pregnant you are and your due date. A dating scan is carried out by ultrasound. that only a few women go into labour on their due date, so it can be more helpful to think about the month in which you are expecting your baby, rather than the exact day.
View unanswered posts View active topics It is currently Thu Feb 15, 4: Wed Apr 15, Mon May 04, 9: To be honest, I thought I was 2 weeks in front of my Due date. I went into my dating scan thinking I was 12 weeks and 3 days but I was only 11 weeks and 3 days.
Its so common to lose between a few days to a few weeks at your dating scan. No pregnancy is textbook so changes that happen to your body and symptoms you get don't happen at a certain time.
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When you calculate your due date from your last period you know you aren't pregnant for at least the first few days of it because you're on your period and then it may be a further 2 weeks before you ovulate, depending on your cycle if you get me so at the beginning after that period you're not actually pregnant.
Dating scans are the most accurate to go by.
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I dunno if that made sense Thu Jan 01, 5: Mine was wrong hun. They put me over a week ahead which was impossible as I knew the date of conception and I was still on my period when they reckoned I conceived plus I was in the process of moving at the time too didn't just have one big moving day spread it out over a week so the only way my 12 week scan was right is if it was immaculate conception in which case I will sell my story to the paper and read more have money worries again lol.
I really don't have much faith in them to be honest.
They're good for checking any developmental problems but as far as dating goes every baby grows at a slightly different rate. A 5lb baby that grows into a 4 foot 8 person isn't going to be the same size as a 10lb baby that ends up growing to 6 foot 5. I have 10lb babies in my family all through my mums side so didn't surprise me that the dating scan said the baby was bigger but they still insisted that there dates were right and mine were wrong.
Like I said in that case I should be rich.
Sun May 03, 7: When i went for my dating scan i was told i was 14weeks All babies vary in size which are why the due date you are given is usually give or take a week or two, but however they are taken on the average sie of a baby and are accurate. Mon Mar 10, 6: Mon Jan 26, 3: Well if you know when you ovulated then that's the most accurate way to date a pregnancy, 12 week scan is next accurate later scans are less accurate.
How long is your menstrual cycle?
Can your pregnancy scan give the wrong due date?
The due date by LMP assumes a 28 day cycle, if you have a longer cycle then your due date is likely to be later than you work out you're more likely to have ovulated later in your cycle.
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6 week and 1 day dating scan
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