Update your browser

This page does not support your version of browser.
Please update your IE version.

Browser Update

Pregnancy Ultrasound Perth

What is a pregnancy or obstetric ultrasound?

A pregnancy (or obstetric) ultrasound is a scan that is used to evaluate a pregnancy. It uses the same ultrasound technology of reflected sound waves emitted and received by an ultrasound probe to produce real-time images of soft tissue and organs. This scan may be done via the abdomen exterior (transabdominal) or via the vagina (transvaginal). A doppler ultrasound method may also be used for evaluating blood flow through vessels such as the umbilical cord, fetus, and placenta.

A pregnancy ultrasound is generally used for:

  • establishing presence of an embryo
  • estimating the age of a pregnancy
  • diagnosing congenital abnormalities of the fetus
  • evaluating the position of a fetus and placenta
  • determining multiple pregnancies
  • determining the volume of amniotic fluid around the fetus
  • assessing cervical length
  • assessing fetal growth and well-being

Who will be performing the procedure?

A sonographer from our highly trained team at Imaging Central will perform your scan. We have female sonographers available every day upon booking request. The specialist radiologist will complete the report after your scan images have been reviewed.

Before the procedure

Please drink 750mls (3 large glasses) of water 30 minutes prior to your scan.

During the procedure

You may be required to change into a gown. For a transabdominal scan, an ultrasound gel will be applied before a transducer is gently pressed against the skin which will direct high-frequency sound waves into the body. These sound waves echo back and the transducer electronically converts the reflected waves into very precise images of the fetus. The procedure may take approximately up to 30 minutes to complete. There is no radiation exposure during the scan. A transvaginal scan provides higher definition images than a transabdominal scan as the probe is closer to the fetus, however this scan is not always required.


The images and results will be sent to your referring doctor through their preferred method within 24 hours. Please ensure you make a follow up appointment with your referring doctor to discuss your results. We will directly phone your referring doctor with any urgent results.


Please call to make your booking and our Imaging Central Patients Service Team will assist to fit you in as soon as possible.

Online Appointments

View available appointment times for computed
tomography (CT) and ultrasound and make a
secure online appointment.