The fetal anomaly scan—often called the 20-week anatomy scan—is a detailed, milestone ultrasound that checks your baby’s head-to-toe growth and development. This safe, routine scan gives you a fascinating look at your baby’s moving features while providing your care team with vital health insights.
👶 A Head-to-Toe Checklist of Your Baby’s World
This mid-pregnancy milestone is incredibly thorough. During the appointment, the specialist meticulously examines all major organs, limbs, and systems to ensure your baby is growing beautifully on track
🔍 What the Specialist Checks:
- The Brain & Spine: Confirming healthy neurological structures and proper spinal alignment
- The Little Heart: Verifying all four chambers and the primary major blood vessels
- Face & Features: Looking at the lips, nose, eyes, and face profile
- Vital Organs: Checking the development of the stomach, kidneys, and bladder
- Limbs & Bones: tiny fingers, toes, arms, and legs
- The Lifecycle Support: Assessing the placenta position, umbilical cord, and amniotic fluid levels
📊 Standard Dating Scan vs. Fetal Anomaly Scan
| Feature | Early Dating Scan (11-14 Weeks) | Fetal Anomaly Scan (18-22 Weeks) |
|---|---|---|
| Primary Goal | Checks due date, heartbeat, and number of babies | Detailed, comprehensive structural check of every organ |
| Baby’s Size | Roughly the size of a plum. | Roughly the size of a banana or sweet potato. |
| Gender Reveal | Usually too early to determine accurately. | Highly accurate time to find out the biological sex (optional) |
| Scan Details | Quick overview of early development | Comprehensive 30 to 45-minute head-to-toe evaluation |
What to Expect on Scan Day
- Simple Preparation: You may be asked to arrive with a partially full bladder to help lift the baby into clear view
- Cozy Environment: You will lie back in a dimly lit room so the specialist can see the high-resolution monitor clearly. Warm gel is applied to your belly.
- Real-Time Wonders: You will get to watch your baby move, stretch.
- Completely Safe: The scan uses standard diagnostic ultrasound waves. It is 100% painless and perfectly safe for you and your little one [1].
💡 Knowledge is Comfort and Care
In India, congenital abnormalities continue to contribute significantly to newborn health complications, making early prenatal screening extremely important. Detailed anomaly scans help doctors identify structural abnormalities earlier, allowing safer pregnancy management and better newborn care planning.
At Aspira Diagnostics, advanced fetal imaging technology combined with carefully reviewed reporting helps provide dependable prenatal diagnostic care. Every report is thoroughly evaluated and signed by experienced doctors and pathologists to ensure accuracy and clinical reliability.
FAQs
1. What is a Fetal Anomaly Scan?
It is a detailed ultrasound performed during pregnancy to evaluate the baby’s organs, body structures, and overall development.
2. When is the anomaly scan usually performed?
The scan is generally done between 18 and 22 weeks of pregnancy.
3. Is the anomaly scan painful?
No. It is a completely painless and non-invasive ultrasound procedure.
4. Can the anomaly scan detect all abnormalities?
While it can identify many structural abnormalities, no scan can guarantee detection of every condition.
5. How long does the scan take?
Most anomaly scans take around 30–60 minutes depending on fetal position and complexity.