Pregnancy is a life-changing journey filled with both excitement and responsibility. As expectant parents, ensuring your baby’s healthy development is naturally your top concern. Among the many routine checks during pregnancy, the anomaly scan plays a vital role in assessing your baby’s growth and structural development.
Whether you’re attending a consultation with the best gynaecologist or receiving care at a private health care for pregnancy facility like Harleys Womens Clinic, understanding what this scan is, why it’s performed, and what the results mean will help you make well-informed choices.
Understanding the Timing and Purpose of the Anomaly Scan
The anomaly scan, also known as the 20-week scan or mid-pregnancy ultrasound, is a detailed examination that takes place between 18 and 22 weeks of pregnancy. It’s one of the most important prenatal checks, allowing your healthcare provider to observe the baby’s internal organs and physical structure.
At this stage, the baby is big enough for the sonographer to get clear images of vital organs like the brain, spine, heart, kidneys, and limbs. It’s an essential part of private health care for pregnancy, offered routinely at hospitals and maternity clinics across India.
The scan uses sound waves to produce images of the baby inside the womb, helping your gynaecologist assess whether your baby is developing as expected. It also checks for certain structural conditions that may need early treatment or further monitoring.
You might be referred for this scan by your best gynaecologist or a consultant at a clinic such as Harleys Womens Clinic, where trained specialists perform the scan using advanced imaging technology.
Why It’s Performed in the Second Trimester
This particular window between 18 to 22 weeks is chosen because:
- The baby’s organs are formed and large enough to examine
- There is still enough amniotic fluid to produce clear ultrasound images
- The baby’s position is more stable for scanning
- It allows time for follow-up scans or counselling if needed
It’s a key milestone in pregnancy and provides reassurance or early answers that can help guide the remainder of your prenatal care.
Why the Anomaly Scan Is Important for Pregnancy Health
An anomaly scan is not just a routine ultrasound it is a comprehensive check that can identify potential issues early, giving time for intervention or additional monitoring. It supports the goal of delivering a healthy baby while keeping the mother safe.
Here are some reasons why this scan is vital:
1. Detects Structural Abnormalities
The scan can identify conditions such as:
- Spina bifida (spinal defect)
- Cleft lip and palate
- Heart defects
- Kidney or limb abnormalities
- Missing or underdeveloped organs
Early detection helps you and your healthcare provider plan for any required treatment, procedures, or delivery arrangements.
2. Helps Track Foetal Growth
It ensures that the baby is developing at the expected pace and helps estimate gestational age and due date more accurately.
3. Assesses Placenta and Amniotic Fluid
The position of the placenta and the amount of amniotic fluid are checked to make sure the baby is in a supportive environment for continued growth.
4. Supports Mental and Emotional Preparation
Knowing that everything is developing well brings peace of mind. If any issues are detected, the scan gives the opportunity to understand the condition and prepare emotionally and medically.
Many expectant mothers attending Harleys Womens Clinic or visiting professionals like Dr. Shilpa, trust this scan as a reliable part of prenatal care.
What Happens During an Anomaly Scan?
If it’s your first time, knowing what happens during the appointment can help you feel more prepared and comfortable.
- You will lie on a bed, and the sonographer will apply a special gel to your abdomen.
- A handheld probe is moved gently over your tummy.
- The images from inside your womb will appear on a screen.
- The scan usually takes between 30–45 minutes.
During the scan, the baby’s:
- Head size and brain development
- Spine and skull
- Heart and blood flow
- Kidneys, stomach, and bladder
- Arms, legs, hands, and feet
- Face and profile
are closely examined and measured.
Is It Safe for the Baby and Mother?
Yes. The anomaly scan is completely safe. It uses sound waves, not radiation, and poses no risk to the baby or the mother. It is routinely performed in both public hospitals and private health care for pregnancy.
There’s no need for anaesthesia, injections, or any physical discomfort during the scan. Most mothers even enjoy seeing their baby move during the procedure.
How to Prepare for the Anomaly Scan
While it is a straightforward procedure, there are simple steps you can take to make the experience more comfortable and efficient.
- Eat normally before the scan unless your doctor advises otherwise
- Drink some water—a partially full bladder helps create clearer images
- Wear two-piece clothing so that only your tummy needs to be uncovered
- Arrive early and bring any previous scan or test reports
- Have your hospital ID or prescription from the gynaecologist
It is also helpful to have a support person accompany you if allowed by the clinic.
Detailed Checklist for Anomaly Scan Appointment
- Valid photo ID
- Doctor’s referral/prescription
- Previous medical records or scan reports
- Comfortable clothing
- Light snacks or water (if needed)
- Clinic appointment confirmation
If you’re attending a centre like Harleys Womens Clinic, the staff will usually guide you through these steps.
Understanding Your Anomaly Scan Results
After the scan, a detailed report will be prepared. The sonographer may not always discuss findings directly, as interpretation is typically done by your gynaecologist.
Here’s what the report usually includes:
- Measurements of the baby’s head, abdomen, and limbs
- Visuals of major organs
- Assessment of the heart chambers
- Spine alignment
- Location of the placenta
- Amniotic fluid volume
- Foetal position and activity
Normal Results:
Indicate that all organs appear as expected, the baby is growing well, and no concerns were observed.
Abnormal Results:
Could indicate a variety of concerns ranging from minor to serious. In such cases:
- Your doctor may suggest a follow-up scan
- You may be referred to a foetal medicine specialist
- Additional tests like amniocentesis or 3D/4D scans may be advised
How to Read the Report in Simple Terms
- BPD (Biparietal Diameter): Measures the baby’s head
- FL (Femur Length): Measures thigh bone length
- AC (Abdominal Circumference): Indicates foetal growth
- HC (Head Circumference): Brain development tracker
- Placental position: Tells if placenta is low-lying or normal
Common Myths of Anomaly Scan
There are many misunderstandings surrounding this scan. Here are a few cleared up:
1. Myth: It can harm the baby
Fact: It is safe and uses harmless sound waves.
2. Myth: It can reveal the baby’s gender
Fact: In India, gender disclosure is strictly prohibited by law and cannot be revealed during the scan.
3. Myth: A normal scan means no health concerns later
Fact: While it reduces risk, no test guarantees a 100% healthy outcome.
4. Myth: Only women with complications need this scan
Fact: It is recommended for all pregnant women as a routine check.
5. Myth: One scan is enough
Fact: Some conditions may need follow-up scans even after a normal anomaly scan.
Choosing the Right Gynaecologist and Scan Centre
Since this scan is an essential part of your baby’s health check, choosing where and with whom to do it is important.
Here’s what to look for:
- Experienced gynaecologist or foetal medicine specialist
- High-quality ultrasound equipment
- Patient privacy and comfort
- Positive reviews from other expectant mothers
- Personalised explanation of scan results
Clinics like Harleys Womens Clinic, led by professionals such as Dr. Shilpa, are trusted by families across the city for their care and attention to detail.
Questions to ask before booking:
- How many anomaly scans are done daily?
- Are female sonographers available?
- What is the cost and what’s included?
- How soon will I receive the report?
When a Repeat Anomaly Scan May Be Needed
Sometimes, a second anomaly scan is recommended. This doesn’t necessarily mean something is wrong.
Common reasons include:
- Baby not in the correct position
- Unclear or incomplete images
- Excessive movement during the scan
- Low amniotic fluid affecting visibility
In these cases, a follow-up scan is usually done after 1–2 weeks. Your gynaecologist will guide you on the next steps.
Conclusion
An anomaly scan is more than just a routine appointment it’s a chance to check on your baby’s development, rule out serious conditions, and prepare for the rest of your pregnancy journey with confidence.
With expert care from clinics like Harleys Womens Clinic and guidance from trusted names like Dr. Shilpa, you’re in safe hands. Don’t hesitate to ask questions, clarify doubts, and understand each step because being informed is one of the best ways to support your growing baby.
FAQs
Q1. What is the anomaly scan and when is it usually done?
Answer: It is an ultrasound performed between 18–22 weeks of pregnancy to check the baby’s organs, spine, brain, heart, and more.
Q2. Is the anomaly scan painful or risky?
Answer: No. It is a safe and non-invasive scan that uses sound waves to capture images of the baby.
Q3. Can I know the gender of my baby through this scan in India?
Answer: No. Gender determination is illegal in India under the PCPNDT Act.
Q4. What should I bring to the anomaly scan appointment?
Answer: Bring your prescription, ID proof, previous reports, and wear comfortable clothes.
Q5. What if my anomaly scan shows something abnormal?
Answer: You may need further tests or consultations, but many findings are manageable and treatable.
Q6. How much does an anomaly scan cost in private clinics?
Answer: Costs vary but usually fall between ₹1500 and ₹5000, depending on location and facility.
Q7. Do I need a doctor’s referral for an anomaly scan?
Answer: Yes. This scan is usually prescribed by your gynaecologist as part of prenatal care.
Q8. Can I eat before the anomaly scan?
Answer: Yes, you can eat as usual unless otherwise instructed by your doctor.