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Prenatal Scans

How Can We Help?
  • First Trimester Pre-Eclampsia Screening
  • OSCAR
  • Fetal Anomaly Scan
  • Ultrasound Scans
  • Additional Services
  • Scans for Each Trimester

Fetal Assessment Unit

Thomson's Fetal Assessment Unit (FAU) is dedicated to ensuring the well-being of both expectant mothers and their babies. As the first private hospital unit of its kind in Singapore, our FAU is staffed by a Consultant Maternal Fetal Medicine Specialist and a team of experienced sonographers who are committed to providing comprehensive obstetric ultrasound and prenatal diagnostic services.

Our Fetal Assessment Services include:

  1. First Trimester Pre-Eclampsia Screening
  2. One-stop Clinic for Assessment of Risk for Fetal Anomalies (OSCAR)
  3. Fetal Anomaly Scan
  4. 3D/4D Ultrasound Scans
  5. Additional Services

Please see below for more information.

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First Trimester Pre-Eclampsia Screening

This is a non-invasive screening test performed during the first trimester to assess the risk of developing Pre-eclampsia.

  • Pre-eclampsia, a serious pregnancy complication, affects 2 in 100 pregnancies.
  • Our screening includes a specific blood test for PlGF, blood pressure measurement, and ultrasound examination.
  • Early detection and treatment can help prevent pre-eclampsia.

Check out this e-brochure here for more information.

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One-stop Clinic for Assessment of Risk for Fetal Anomalies (OSCAR)

This examination includes a screening scan for early assessment of fetal anatomy (organ development) and the evaluation of specific ultrasound markers, including Nuchal Translucency (NT) and nasal bone.

  • Offered in the first trimester to screen for fetal anomalies, particularly Down Syndrome (Trisomy 21).
  • Provides earlier reassurance for those with a normal result.
  • Helps in deciding whether invasive testing (such as CVS or Amniocentesis) is necessary.

For detailed information on OSCAR, please download our e-brochure.


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Fetal Anomaly Scan

This is a detailed 2D ultrasound scan at 20 to 22 weeks to assess fetal physical development and growth.

  • Screens for structural deformities in the brain, heart, spine, and more.
  • Gender determination available upon request.
  • Evaluates the location of the placenta and amniotic fluid levels.
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3D/4D Ultrasound Scans

Experience the joy of seeing your unborn child through 3D/4D ultrasound scans. A 3D ultrasound scan provides a photographic image of the baby while the 4D ultrasound scan provides a moving image of the baby.

  • Performed by experienced sonographers in a relaxed environment.
  • A 2D scan is also included to assess growth and exclude anomalies.
  • A referral letter from your doctor is required for appointment booking
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Additional Services

In addition to the standard pregnancy scans, we offer a comprehensive range of supplementary services to provide you with the utmost care and support.

  • Ultrasound imaging for risk assessment of chromosomal abnormalities in the first trimester (Nuchal Translucency Measurement)
  • Second-trimester Fetal Anomaly (FA) Scanning
  • Cervical Length Measurements for prediction of pre-term labour
  • Uterine Doppler assessment for prediction of pre-eclampsia and poor fetal growth
  • Ultrasound monitoring using Doppler colour flow imaging, as well as the biophysical profile
  • Amniocentesis
  • Thalassaemia Studies
  • Chorionic Villus Sampling
  • Cordocentesis/Fetal Blood Sampling
  • Multiple pregnancy (twins/triplets/quadruplets) fetal assessment
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Scans for each trimester

Below are various scans recommended for different trimesters. Please consult your doctor for personalised guidance on selecting the most appropriate scan for your specific condition.

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