Anomaly Scan

A detailed scan to check development

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Anomaly Scan

This is a detailed scan during which each part of the baby’s body is examined  to check for development and to exclude structural abnormalities. This scan is performed between 18-24 weeks of pregnancy.

Anomaly scans are important because they provide the best opportunity to examine all the anatomy of your baby in great detail. The Anomaly scan is performed by a fetal medicine specialist.

An anomaly scan, also known as a mid-pregnancy scan, takes a close look at your baby and your womb (uterus). The person carrying out the scan (sonographer) will check that your baby is developing normally, and look at where the placenta is lying.

This scan is usually performed between 18+0 to 20+6 weeks of pregnancy.

The main purpose of this scan is to look for abnormalities in your unborn baby.

20 week scans are performed in the NHS.

If you have had a 20 week scan but feel you want additional reassurance and choose MUMS for an Anomaly Scan following your 20 week NHS Scan – you should book a 2nd Opinion Scan.

At MUMS we check the development of the following structures:

  • Head & Brain
  • Face
  • Spine
  • Heart
  • Lungs
  • Bowel
  • Abdominal Wall
  • Kidneys and Bladder
  • Stomach
  • Arms/Hands/Fingers, Legs/Feet/Toes
  • Fetal Growth
  • Amniotic fluid
  • Placental position and function
  • Umbilical Cord insertion
  • Umbilical and cerebral dopplers
  • Presentation (position of baby)
  • Estimated weight
  • Gender (optional)

If any abnormalities are detected, the significance of the findings will be discussed with you on the day and a referral to your booking hospital/screening team can be arranged for further management within the NHS system.

What do I need to do in preparation for the scan?

Preparation:  No specific preparation is required.
Handheld hospital notes:  Please bring these with you on the day.
Appointment length:  Your appointment is booked for 30 minutes, of which you can expect approximately 15-20 minutes of scanning time. If the baby is in a position where is it difficult to obtain images we will send you for a walk and then rescan you or rearrange your appointment on another day.

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We will confirm your appointment by phone or email


Anomaly Scan £135