Ultrasound in pregnancy: which scans and why they are needed

Svetlana Kaliadina
Svetlana Kaliadina — diagnostic ultrasound specialist, PhD
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In brief

  • GMS does not perform prenatal screening; scans are done at different stages of pregnancy on indications set by your doctor.
  • The early scan confirms an intrauterine pregnancy, heartbeat and gestational age; later scans track growth, placenta and amniotic fluid.
  • Cervical length measurement (usually second trimester) detects a predictor of preterm birth; 3D helps assess malformations.

Ultrasound in pregnancy is not a way to get a nice photo but a tool with specific tasks. Its purpose is not only to assess fetal anatomy: at different stages it has different indications.

Ultrasound and prenatal screening are not the same thing

Prenatal screening is a separate programme with strictly fixed timings, whose main purpose is to assess fetal anatomy and the risk of chromosomal abnormalities. GMS does not perform obstetric prenatal screening. We perform ultrasound scans at different stages of pregnancy — based on indications determined by your doctor.

The early scan

The first scan confirms that the gestational sac is located in the uterus, and establishes the heartbeat and gestational age. Early diagnosis of an ectopic pregnancy is a task where ultrasound saves lives. At GMS an early pregnancy scan, including confirmation of pregnancy, is AED 600.

First trimester ultrasound

Gestational age and the condition of the fetus and uterus are assessed. A first trimester ultrasound is AED 1,100.

Second and third trimester ultrasound

The development and size of the fetus, its position, the condition of the placenta and the amount of amniotic fluid are assessed, with Doppler assessment of blood flow where indicated. The reasons for a scan vary: not only fetal anatomy, but also monitoring of growth, position and the condition of the placenta. A fetal ultrasound in the second and third trimester is AED 1,100.

Cervical length measurement

Measuring the length of the cervix by the transvaginal approach is a separate procedure, usually in the second trimester. A shortened cervix is a significant predictor of preterm birth, and detecting it allows timely intervention. At GMS cervical length measurement is AED 500.

Fetal biometry

Measurement of the fetus and assessment of its estimated weight. The aim is to make sure the fetus is growing in line with gestational age. Fetal biometry is AED 1,100.

About 3D and sex determination

A three-dimensional image is not entertainment or a "nice photo", as is commonly thought. 3D primarily makes it possible to assess malformations that are difficult to diagnose in the standard two-dimensional mode. A 3D/4D ultrasound at GMS is AED 1,100; fetal sex determination is AED 500.

How to prepare

No special preparation is usually required. Wear comfortable clothing and bring the results of previous scans — the doctor needs to see the growth trajectory, not a single point.

Where to have it done

At GMS pregnancy ultrasound scans are performed by a diagnostic ultrasound specialist, PhD, and reports are issued in English. Appointments are held in Russian and English.

Further reading

FAQ

Does GMS Clinic Dubai perform prenatal screening?

No. Prenatal screening is a separate programme with strictly fixed timings whose main purpose is to assess fetal anatomy and the risk of chromosomal abnormalities, and GMS does not perform obstetric prenatal screening. The clinic performs ultrasound scans at different stages of pregnancy, based on indications determined by your doctor.

What is an early pregnancy scan for?

The first scan confirms that the gestational sac is in the uterus and establishes the heartbeat and gestational age. Early diagnosis of an ectopic pregnancy is a task where ultrasound saves lives. At GMS an early pregnancy scan, including confirmation of pregnancy, is AED 600.

How much does a pregnancy ultrasound cost at GMS?

Early scan — AED 600; first trimester, second and third trimester, fetal biometry and 3D/4D scans — AED 1,100 each; cervical length measurement and fetal sex determination — AED 500 each. Reports are issued in English, and appointments are held in Russian and English.

This article is for information only and does not replace a consultation. If you have symptoms, see a doctor.

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