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Wellbeing Scans (Fetal Wellbeing or Growth Scans) (23-40 Weeks)

  • An important scan for all women, to provide reassurance and check for potentially life threatening conditions.


Fetal Growth or Well-Being scans are performed at any stage after 24 weeks of pregnancy. The scan is for women who are concerned about their pregnancy for any reason. A growing baby is a healthy baby so sometimes they are done in a sequence.

During this scan we measure the baby's head, abdomen and limbs, and estimate the baby’s weight. This gives a guide to how big your baby will be at birth. This is best predicted from 28 weeks gestation onwards. We also look at how the baby is moving, the amount of amniotic fluid, and where the placenta is. We will also assess the Doppler blood flow in the umbilical cord blood vessels. It is possible to tell the sex of your baby from this scan, but this becomes more difficult as you approach the end of your pregnancy.

What is currently offered by the NHS?

Pregnant woman are offered two routine ultrasound scans: One at approximately 12 weeks and the other at 20 weeks of pregnancy. A well-being and Growth scan is not usually offered on the NHS unless:

  • The placenta is low at the 20 week scan
  • An abnormality was seen
  • If the baby was measuring too small or big at the 20 week scan
  • Previous premature delivery
  • Previous pre-eclampsia
  • Diabetes or Gestational diabetes
  • The Midwife or Doctor measures your baby bump as too small or too large for dates.

When can I have the scan?

A well-being scan ideally is performed any time after 24 weeks of pregnancy. The position of the baby and placenta are determined as well as the size of the head in two diameters, the size of the tummy and the length of the upper leg are measured. These are plotted on an expected size chart. The volume of amniotic fluid is assessed. The Doppler blood flow in the Umbilical cord is assessed.

What structures of the baby can be checked?

Depending on the fetal position and advanced gestation (as the pregnancy progresses it becomes harder to see all of baby’s anatomy), the sonographer will try to visualise major organs and structures.

What are the indications or reasons for having this scan?

  • As a second opinion
  • More detailed scan
  • Calm and relaxing environment
  • As reassurance
  • Reduced movement of the baby
  • Bleeding or fluid loss
  • To check to baby's position
  • The Midwife or Doctor measures your baby bump as too small or too large for dates.

Is there someone I can talk to about the outcome of my scan?

The sonographers are trained in interpretation of the scan. You will normally take it back to the clinic where you are receiving your ante natal care for further discussion.

Consultant or Sonographer?

  • If you are having a normal pregnancy, then in most cases a scan by one of our experienced sonographers is advisable. All our sonographers are fully qualified and accredited, so you are in safe hands.
  • If however, you are experiencing complications with your pregnancy or need a second opinion, a scan with our consultant is recommended.

Is it easy to make an appointment?

We offer morning, afternoon and evening appointments during the week, as well as weekend appointments. A surcharge will be applied for evening and weekend appointments. We have a wide range of availability therefore short notice appointments can be easily arranged.

What you will receive:

  • Ultrasound scan results including gestational age and estimated due date.
  • A report to file with your maternity notes.
  • Ultrasound images
  • Short video clips and ultrasound images sent electronically with a copy of your report.

How is the scan electronically sent to you?

The Birth Company is the first clinic in UK to offer this service allowing you to share your pregnancy ultrasound with friends and family wherever they are in the world. This optional recording can be shared via Email, Facebook and Twitter. We will offer this to you routinely at the end of the scan. The transmission is instantaneous. Please note on this system currently there is no sound, only video. It is a national policy not to permit patient or partner's phone recording in a room. Simply tell your sonographer that you would like an electronic transmission of your scan. It will appear on your phone immediately.

What preparation is required?

No preparation is required.

What is the next scan following a wellbeing scan?

A further well-being and growth scan can be done anytime if there is a continuing concern.


Scans and Packages

Longer Appointments - Time to discuss choices with our expert staff

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Clinic Locations

Visit our clinic in Central London and Cheshire


137 Harley Street, London W1G 6BF
Nearest Underground Tube Stations

Baker Street
Regent’s Park
Great Portland Street


Alderley Edge Medical Centre, Talbot Road, Alderley Edge, Cheshire, SK9 7HR
Nearest Overground Train Station

Alderley Edge