Dating pregnancy scan

 Dating Scan - In a Glance

  • 10 - 14 weeks Gestation age
  • Dating of the pregnancy
  • Viability
  • General Reassurance
  • Check fetal structures
  • No GP referral is required
  • Same time results to take away
  • Fully qualified NHS sonographers
  • Full Bladder is required
  • Only £129
  • Book Online or over the phone
private dating scan London

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Dating ultrasound scan: 10 to 14 weeks of pregnancy

A Dating private baby scan is performed on pregnant women to detect the gestation age of the foetus. It is very useful for women who are uncertain of their last menstrual period or have irregular menstrual cycles and therefore making it difficult for their doctor to correctly estimate the gestational age and when the baby is due. At this gestational age, the sonographer can also check the main fetal structures such as the head and body shape.

Ultrasound is very accurate in estimating the baby's due date and the earlier the scan the better the accuracy. The most accurate time is between 10 and 14 weeks of gestation.  In general ultrasound scans performed during the first trimester are within 3 - 5 days of accuracy. After 28 weeks, the estimation of the due date can be as long as 3 weeks out.

We offer the early pregnancy scan if you are below 10 weeks pregnant.

The overall accuracy of the scan also depends on the skills of the sonographer and the ultrasound machine image quality. This why our sonographers are both NHS qualified sonographer and HPC registered. We are also utilising a new ultrasound unit in order to increase diagnostic confidence.

This pregnancy scan is also known as viability scan can provide the very much needed reassurance that the pregnancy is progressing normally and that there are no pregnancy complications such as an ectopic or a miscarriage.

Reasons for having this private dating scan

The most common reasons for having this obstetric scan include:

  • Irregular periods
  • Check general foetal structure/development
  • Uncertain of your pregnancy dates
  • History of ectopic pregnancy
  • General reassurance
  • Previous miscarriage

Book your Baby Dating Scan Online

Use our online booking system to choose the most suitable day and time.

Only £109

(£29 deposit is required)

What is the purpose of the dating scan:

The purpose of this pregnancy scan is:

  • Dating of pregnancy
  • Measuring the crown to rump length
  • Single or multiple pregnancies
  • Confirming foetal heartbeat.
  • Reassurance

What is included with this prenatal scan?

The scan includes  Report with a 2D b/w picture

Preparation for this examination?

We need a full bladder for this scan, so you need to drink 1/2lt (1 pint) of water an hour before your scan.

What should I expect during the dating scan?

Before the private ultrasound scan, our sonographer will explain the examination procedure.

This scan is normally performed trans-abdominally. In some instances, however, an internal scan (transvaginal ultrasound) may be required to see all the necessary detail or if your womb tilts backwards.  

We will always try to scan abdominally first but if we need to do a transvaginal ultrasound scan then we will discuss this with you. To perform this baby scan, you will be asked to lie down on the examination couch and expose your lower abdomen.

A small amount of water-based gel will be applied to your skin. The gel will help the transducer make good contact with the skin. The ultrasound transducer will be placed on the body and will be moved in different directions over the area of interest to obtain the required information/ultrasound images.

There is usually no discomfort from pressure as the transducer or probe as otherwise known,  is pressed against the area being examined. However, if scanning is performed over an area of tenderness, you may feel pressure or minor discomfort from the transducer.

Once the test is completed, the clear ultrasound gel will be wiped off your skin. Any portions that are not wiped off will dry quickly. The ultrasound gel does not usually stain or discolour clothing.

This examination is usually completed within 10-15 minutes. After an ultrasound examination, you should be able to resume your normal activities immediately.

We offer a large range of baby scans to complement your NHS ones, in our London clinic:

We also offer a range of private ultrasound examinations for men and women.

Written by:

Updated on:

Medically Reviewed by Tareq Ismail Pg(Dip), BSc (Hons)


Other Pregnancy Scans we offer

Frequent Questions

You can see the baby on the screen from 6 weeks – At this stage the pregnancy is of course small, but we should be able to see the gestation sac with a yolk sac developing in your uterus. We should also be able to see your baby's heartbeat on scan, which is very reassuring.

At 5 weeks pregnant you will be able to see a small gestation sac in the uterus.

At 6 weeks pregnant within the uterus you will be able to see a small gestation sac and maybe a small yolk sac.

Between 6-7 weeks a fetal pole might be seen. Foetal pole is the start of seeing a baby but still measuring only a few millimeters with a heartbeat and the chances of pregnancy continuing are high, close to 80%.

At 7 weeks gestation, the baby usually measures 10 – 20 mm and the heartbeat can be seen.

At 8 weeks pregnant, the baby measures between 20 and 30 mm and the heartbeat is clearly visible. The chances of the pregnancy continuing in that stage is 98%

At 10 weeks pregnant the baby is now between 35 and 40mm and if the baby heartbeat can be seen the chances of the pregnancy continuing is 99.4%. At 11+ weeks pregnant the baby is now measuring around 45mm and the head, body, arms and legs can be seen. The heart, the stomach, bladder and cord insertion can be seen.

An obstetric scan is the same as a ‘normal’ scan but is being used to evaluate the overall health of your unborn baby instead of looking at other organs such as the gallbladder for gallstones or the kidney for stones. So in pregnancy, ultrasound scans are being used to visualise the baby, the placenta, the uterus and cervix and your ovaries.
Pregnancy ultrasound scans or prenatal ultrasounds are very common and being carried in any stage of the pregnancy.

You will normally offered two diagnostic ultrasound scans during your pregnancy from the NHS. The first pregnancy  scan is at 12 weeks of gestation and called a dating scan. The second pregnancy scan is at 20 weeks of pregnany and called an anomaly scan.
Most of the expectant mothers, especially the ones with previous complications such as miscarriage they do not believe that 2 ultrasound scans during pregnancy are enough  and this is the reason they choose to have a private pregnancy scan in London with us.

We follow the NICE, RCOG and BMUs guidlines and therefore we only perform 2d diagnostic ultrasound scans.

We are conveniently located in the heart of London, just a few minutes’ walk from Notting Hill Gate station, in a cobbled cul-de-sac off Kensington Mall in the Royal Borough of Kensington and Chelsea.
We offer same day and emergency after hours and weekend appointments in a clean and caring environment, to suit your needs. Unlike some of our competitors we provide you with a report while you wait to fast track any potential treatment.
We have years of experience in medical ultrasound. Experience gained working for flagship NHS trusts alongside leaders in the field of diagnostic medical imaging including general ultrasound, urology, musculoskeletal, gynaecology, pelvis, testicular and vascular examinations. You can, therefore be assured that your health is in good hands.
Our range of ultrasound examinations include the abdomen, pelvis, kidneys, bladder, prostate, ovary, testicle, scrotal, knee, shoulder, groin, ankle, wrist to name a few. Our full range of scans can be viewed via the site menu.
Our competitively priced private ultrasound scan services and personalised service is second to none and this is the reason our clients recommend us to friends and family.

Diagnostic Medical ultrasound scan or medical sonography as otherwise known is a painless imaging technique  utilising sound waves to produce internal images of the body.
It is called ultrasound as the sound frequency being used is at the region of 1 to 20MHz. The  human ear cant can’t hear these frequencies.
The sound waves are produced by the transducer or the probe as most commonly known. As they travel through the body they bounce back to the transducer due to various differences in tissues. The returning echoes are picked up by the probe and a powerful computer analyses the echoes and creates the image on the screen.
There are various kinds of ultrasound scans that can be performed and each looks at different organs of the body such as tendons, muscles, joints, blood vessels, liver, kidneys, uterus and ovaries to confirm or exclude possible pathology.
Unlike CT and MRI, ultrasound does not use radiation and therefore is pregnancy friendly. It is also live and is ideal for musculo-skeletal exams to evaluate moving joints.

Do you need a private dating scan?

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