Scan Calculator

If you attend without a suitable face covering single-use masks are available to buy at the time of your appointment, subject to availability. Private ultrasound dating scan optimized for fast results, ideal if you would like to confirm your dates from 8 weeks onwards. We recommend that you present your results to your healthcare professional whose contact details we take at the time of booking. Your choice of a free rescan may be appropriate if we are unable to perform the primary purpose of this scan. Please note this scan is from 8 weeks onwards and must not be booked if you are experiencing any symptoms such as pelvic pain, spotting or bleeding. Please see our Early Scan appointments. All scans are performed by a qualified Sonographer with diagnostic obstetric scanning experience. You may have the option to upgrade to the Early or Dating Scans if our Sonographer feels that the baby DATE appointment is inappropriate for your gestation. Confirmation of fetal gestation, dating of your pregnancy, single or multiple pregnancy confirmation using ultrasound between 8 – 16 weeks gestation, no sexing. This service is not suitable if you are unsure of your dates or you have experienced or are experiencing pelvic pain, spotting, bleeding or lack of pregnancy symptoms.

Pregnancy scans

We use small files called cookies to help us improve your experience on this website and to provide services like web chat. We also use cookies to measure the effectiveness of public health campaigns and understand how people use the website. Read our cookies policy to find out more about cookies and how we use them. Extra restrictions are in place for Kildare.

Pregnant woman holding the scan of her baby. But a due date calculated from last menstrual period with a due date calculator often doesn’t.

We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here. From early pregnancy to the anomaly scan, ultrasounds check that your baby is developing as it should be. We look at the routine scans you can expect on the NHS and what additional options are available privately.

Our Test Labs compare features and prices on a range of products. Try Which? You’ll instantly be able to compare our test scores, so you can make sure you don’t get stuck with a Don’t Buy. When you go for a pregnancy scan, the sonographer a specialist trained in ultrasound scans puts ultrasound gel on your tummy and then moves a handheld probe across your skin. While the gel might be a bit cold, the scans are completely painless.

The probe sends out ultrasound waves — sound waves with a frequency higher than the human ear is able to hear — to produce images of your baby, which the sonographer studies on a screen. Ultrasound scans have been used for many years, and there are no known risks to you or your baby from having the routine scans offered in pregnancy.

How accurate is my ‘due date’?

The common first step will be a dating scan between weeks as we like to check your baby before 10 weeks. Before 7 weeks it may be too early to acquire this information. To obtain the best images possible, this scan is routinely performed internally and perfectly safe to perform during early pregnancy.

Once you’ve discovered that you are pregnant, it’s important to get health advice The first is usually around eight to 12 weeks and is sometimes called the dating scan, work out the size and when the baby is due; work out whether you are.

Back to Your pregnancy and baby guide. All pregnant women in England are offered an ultrasound scan at around 8 to 14 weeks of pregnancy. This is called the dating scan. It’s used to see how far along in your pregnancy you are and check your baby’s development. Your midwife or doctor will book you a dating scan appointment. 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.

Your screening choices

It is common to be given a single ‘estimated due date’ EDD which corresponds the point at which it is estimated that your pregnancy will have lasted 40 weeks. It may be more helpful to be prepared for you baby arrive some time after 37 weeks, and to focus on 42 weeks as the time by which you have a good chance of having given birth. Many women with longer pregnancies find that everyone is asking whether they have had their baby yet, and that health care workers start to suggest inducing labour.

For some women this will be the right decision, but it is important to know that this is your decision to make. Charting temperature, monitoring mucus, using ovulation test kits and knowing times when you could have conceived, or having conceived by IVF may mean you have your own information about when you became pregnant. There is a tendency for midwives and doctors to talk as though the EDD written in your maternity notes is something definite, rather than an estimate which may or may not be accurate.

If you are more than 8 weeks pregnant this is an accurate calculation, and will be used to estimate the date your baby is due to be born (known as estimated date.

Professional Reference articles are designed for health professionals to use. They are written by UK doctors and based on research evidence, UK and European Guidelines, so you may find the language more technical than the condition leaflets. This pregnancy due date calculator will give you a rough idea of when your baby should be born. If you know the date of the first day of your last menstrual period LMP , or have already had your first ultrasound scan, you can use this tool. Please remember that the result will not necessarily be the day that your baby arrives.

The actual date may be any time from 38 to 42 weeks in most pregnancies. If problems occur you may be advised that delivering your baby earlier is the safest option. For advice on recognising signs that you are going into labour , or for information on some types of pain relief in labour, follow the links. We also have information on how your baby is monitored in labour.

Your care during pregnancy

Throughout your pregnancy, you will be offered a number of screening tests to check the health of you and your baby. It is your choice whether you want to have the tests and your community midwife will be able to answer any questions or concerns you have before you make a decision. During your first appointment with the midwife, we will ask your permission to take a blood and urine sample for routine screening.

This is so that we can check your blood group and also test for a variety of conditions including:. You are welcome to bring someone with you when you come for your scan.

Many pregnant women are not sure of the date of their last monthly period (LMP) and so a dating scan might be recommended to work out an accurate due date. to ensure that the results of your nuchal translucency scan are accurate. It can.

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. Ultrasounds performed during the first 12 weeks of pregnancy are generally within 3 – 5 days of accuracy.

The most accurate time is between 8 and 11 weeks gestation. This is because the fetus is growing so quickly that there is a big difference in size from week to week. However, the accuracy of the ultrasound examination is always dependent on the skill of the sonographer and the quality of the equipment.

Scans in the first trimester

We use cookies to collect information about how you use GOV. We use this information to make the website work as well as possible and improve government services. You can change your cookie settings at any time. This publication is licensed under the terms of the Open Government Licence v3. To view this licence, visit nationalarchives. Where we have identified any third party copyright information you will need to obtain permission from the copyright holders concerned.

Your midwife or doctor will book you a dating scan appointment. They will advise you about what to do. how many weeks pregnant you are and work out your due date (the estimated date of delivery, or EDD); whether you’re expecting​.

Read the latest NHS advice to find out what to do visit nhs. Call us to book on: Book Online Now. Dating Scan Available from 8 to 16 weeks gestation. Book Your Scan Online. Tell other’s about this What does a dating scan include? A dating and assessment report. Free 4D sneak preview optional from 12 to 22 weeks. What is the purpose of a dating scan? The purpose of a dating scan is to determine the foetal gestation age.

Measurements of the CRL crown rump length will be taken, alongside a confirmation of a heartbeat. A dating scan will also confirm whether you are carrying a one or multiple babies. We strive to be as accurate as possible at our Ultrasound Plus clinics.

Scans, screening tests and check-ups

Every pregnant woman wants to know her due date. But a due date calculated from last menstrual period with a due date calculator often doesn’t match the due date that is estimated by ultrasound also known as a sonogram. During an ultrasound, a technician spreads a warm gel over the lower part of the abdomen, and then presses a tool called a transducer against the belly to examine the fetus using sound waves. An image of the fetus appears on an accompanying computer screen.

While looking at this image, the technician takes some standard measurements from different angles and listens for a heartbeat.

From the moment you find out you are having a baby, our team of midwives and This is so that we can check your blood group and also test for a variety of one early in pregnancy between approximately 11–14 weeks (dating scan or.

Log in Sign up. Pregnancy All Pregnancy Antenatal health. Community groups Birth Clubs Labour and birth tips Twins or more Pregnant with second, third or more! I’m pregnant! See all Pregnancy groups. Home Pregnancy Antenatal health Antenatal scans. In this article When will I have my first ultrasound scan? Can an ultrasound scan tell exactly how many weeks pregnant I am?

What else will the first trimester scans reveal? What happens during the ultrasound scan?

Pregnancy Due Date Calculator

Some women’s cycles are not exactly 28 days. If your cycle is shorter or longer than 28 days, please adjust the number below. Need more information?

Many women with longer pregnancies find that everyone is asking whether birth date was estimated from an ultrasound scan carried out between 11 and 14 If a later scan predicts a date that is too early, this would make it.

Now comes the moment when you might get to see your baby for the first time — the week scan. We run through what scans are and what to expect on the day. This is often just called a scan. The scan builds a picture from the way high-frequency sound waves from a probe passed over your tummy reflect off your baby in your womb Whitworth et al, ; NHS, a; NHS, b. Because of this, the week scan can also be called a dating scan NHS, c. This gives you detailed information about the types of scan offered and what they look for Healthtalk, It should help you decide whether you want to have a scan.

Many pregnant women choose to have the scan and look forward to seeing their baby for the first time NHS, a. A dating scan can include checks for certain conditions, as well as providing the due date. Midwives should provide you with the choice of whether to have a scan. Then you can make an informed choice about whether to have these scans NHS, a. Midwives and consultants can offer alternatives to scans too. The NHS offer all pregnant women at least two ultrasound scans during their pregnancy.

Ultrasound should only be used the first 10 weeks of pregnancy if needed medically.

Dating scan

You can calculate your due date by subtracting three months from the first day of your last menstrual period LMP and then add a week. Use our pregnancy calculator. A pregnancy is based on being days long, which is 40 weeks more like 10 months not 9! When we give you a due date we consider 37 to 42 weeks to be full-term, so even if your baby is born two weeks before your due date it is not considered premature. Because few women know the exact day they ovulated or conceived, an ultrasound done in the first trimester of pregnancy has been shown to the be the most accurate way to date a pregnancy.

If an ultrasound date in the first trimester differs from your LMP date by seven days or more, we would go with the ultrasound.

Find out how to work out the due date of your baby. be offered a dating scan (​12 week scan) that will give you a more accurate date for the birth of your baby.

MFM mums share their stories plus expert sonographers explain why it happens and what to do if you’re told your due dates are wrong. By Rachel Mostyn. Original date given was 18 December but at the scan it was moved to 31 Dec. Unless you have an early pregnancy scan most of you will be given your estimated due date at the week scan. Of course you have probably already used an online due date calculator. Weird huh?

But this will only give you a rough idea. This is especially true if you have an irregular cycle or have been on the Pill for example. Experts say that the scan date can sometimes come out as less pregnant than suggested by your LMP. But then again with my first baby I was spot on with dates, he always measured big and he was a week overdue… these babies like to be tricky!

But Nigel also says that the estimated and that is all it is date is normally accurate plus or minus about a week. The healthcare professionals will stick to this date as far as possible because it is then used as the baseline for growth throughout pregnancy. I have scans every few weeks so it will probably keep on changing.

Late Dating Scan