How accurate is dating scan at 6 weeks how accurate is a dating scan?

How accurate is dating scan at 6 weeks, new to mumsnet?

Assess the uterus and ovaries. All my subsequent scans and fundal measurements have agreed with the 18th of December date.

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They must base the measurements on averages, but 3 weeks out seems like a lot. Most users ever online wasat The sonographers explained that the earlier the scan the how accurate is dating scan at 6 weeks accurate as the embryo has very standard development. The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date. Dating scans are usually recommended if there is doubt about the validity of the last menstrual period.

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This makes me 39 weeks tomorrow. Everything ties in with my dates first day of last period, date of ovulation test, date of getting jiggy!

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Screening tests for you and your baby. For example if you do not know when the first day of your last period, or the likely day of conception was have had irregular periods have had an unusual cycle because you recently stopped the oral contraceptive pill, or you recently had a miscarriage, or you are breast-feeding had some implantation bleeding which can be been confused with your last period date What can be seen? Ultrasound examinations from 12 to 22 weeks are regarded as being within 10 days of accuracy or up to 10 days earlier or 10 days later than the woman's calculated due date.

Harder to see how you could be more pg than possible from jiggy days - are you sure ther weren't any drunken ones you've forgotten about. Some women need to return for another ultrasound scan a few weeks later to assess the progress of the pregnancy, or they may require another blood test serial serum Kerrang dating. Pregnancy ultrasounds are performed mainly using transabdominal ultrasound.

I've just been for my 12 week scan and they have told me I am 15 weeks pregnant.

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My date based on LMP is 5 days earlier than on dating scan. The probe is then gently inserted a short distance into the vagina.

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Your doctor may be concerned about your pregnancy because of abdominal pain or vaginal bleeding. I've been wondering about the gestational age for the entire pregnancy. Thats just my opinion though.

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Are there any disadvantages to having a scan? If you have concerns about transvaginal ultrasound, please discuss this with your sonographer before your ultrasound begins. I don't want to sound like a jerry springer episode, however to the average joe it may sound that way.

When will I have my dating scan?

I'm still not entirely sure what can have happened with the dates, and I definitely had a period thank god I didn't know I was pregnant or I would have thought I was having a MCbut I suppose I have got an extra 3 weeks of pregnancy dating landslides free' now! 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.

Your privacy will always be respected during your ultrasound, especially the transvaginal examination. Does that make sense? We've used the 6 weeks, 3 days to compute my due date.

How accurate are dating scans?

Sometimes the results of a first trimester scan may be inconclusive or uncertain, and need to be combined with your clinical history and blood tests serum BhCG.

We will do our best to answer your questions and minimise your anxiety. The EDD from the early dating scan is used - if the last menstrual period is not known or is unreliable, or the dating scan differs from the last menstrual period dating by more than 5 days. This is all while using ovulation tests. Community Forum Software by IP.

Can I have a screening test at the same time? Being pregnant can give a positive result on an ovulation test because the hormones are similar chemically as I understand it. Money might be funny in a rich man's world or so ABBA told usbut for the rest of us it's a major consideration — particularly before having a baby. Due in posts Best board game? In your Birth Club, you can meet other mums and mums-to-be whose due date, or baby's birth date, is the same as yours. I slept with someone on the 21st December and have spoken to my doctor about this and she says sperm can only live up to 3 till 5 days so the time frame misses it as I would of fell pregnant beginning of Jan.