Your Pregnancy Ultrasound Journey
Ultrasound is the cornerstone of prenatal care, providing crucial information about your baby's development at every stage. In the UAE, the standard care pathway includes several key scans, each with a specific purpose.
The Scan Schedule
6-8 Weeks: Viability Scan
- Confirms pregnancy location (rules out ectopic)
- Detects heartbeat (visible from ~6 weeks)
- Determines single or multiple pregnancy
- Dates the pregnancy accurately
- Identifies the yolk sac and gestational sac
What you'll see: A small flickering dot (heartbeat) within a dark circle (gestational sac). Your baby is about the size of a lentil.
11-14 Weeks: First Trimester Screening (Nuchal Translucency)
- Measures fluid at back of baby's neck (NT measurement)
- Combined with blood tests for chromosomal risk assessment
- Confirms dating and growth
- Checks for major structural abnormalities
- Nasal bone assessment
What you'll see: A recognisable baby shape with visible head, body, and limb buds. Baby is about 7cm long.
20 Weeks: Anatomy Scan (Anomaly Scan)
- Detailed examination of all organs and structures
- Brain, spine, heart, kidneys, limbs, face
- Placental position
- Amniotic fluid volume
- Cervical length
- Gender determination (if desired)
What you'll see: A fully formed baby with visible features. You may see them moving, sucking their thumb, or yawning. Baby is about 25cm long.
28 Weeks: Growth Scan
- Foetal growth assessment (head, abdomen, femur measurements)
- Amniotic fluid check
- Placental position confirmation
- Blood flow assessment (Doppler)
- Baby's position
32 Weeks: Growth and Position Scan
- Continued growth monitoring
- Baby's presentation (head down, breech, transverse)
- Placental maturity
- Amniotic fluid volume
- Estimated foetal weight
36 Weeks: Final Assessment
- Growth trajectory
- Presentation confirmation (planning for delivery)
- Amniotic fluid
- Placental function
- Estimated weight for delivery planning
Additional Scans (When Recommended)
| Scan | When | Why |
|---|
| Early reassurance | 5-6 weeks | Previous miscarriage, IVF pregnancy, pain/bleeding |
| Cervical length | 16-24 weeks | History of preterm birth, short cervix |
| Foetal echocardiogram | 20-24 weeks | Family history of heart defects, diabetes |
| Growth monitoring | Every 2-4 weeks | Small or large baby, diabetes, hypertension |
| Doppler studies | As needed | Reduced movements, growth concerns |
What Your Doctor Is Looking For (That You Might Not Know)
Beyond the obvious baby measurements, your sonographer assesses:
- Placental health - position, maturity, blood flow
- Cervical competence - length and shape (short cervix = preterm risk)
- Amniotic fluid - too much or too little indicates problems
- Uterine arteries - blood flow predicts pre-eclampsia risk
- Foetal behaviour - movement patterns, breathing movements, tone
Preparing for Your Scans
- Early scans (first trimester): may require full bladder
- Later scans: no special preparation needed
- Wear two-piece clothing for easy access
- Bring your partner or support person
- Prepare questions in advance
- Ask for images or video if desired
Understanding "Soft Markers"
Sometimes scans identify "soft markers" - minor findings that are usually normal variants but occasionally associated with chromosomal conditions. These include:
- Echogenic intracardiac focus (bright spot on heart)
- Choroid plexus cyst (small cyst in brain)
- Single umbilical artery
- Mild pyelectasis (slightly dilated kidney)
Important: A single soft marker in an otherwise normal scan, with low-risk blood tests, is almost always insignificant. Your doctor will explain the context and whether any follow-up is needed.
3D/4D Ultrasound
While standard 2D ultrasound provides all necessary medical information, 3D/4D scans offer:
- Detailed facial features
- Real-time movement (4D = 3D in motion)
- Bonding experience for parents
- Best performed at 26-32 weeks
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