Fetal echocardiography is a specialized prenatal ultrasound procedure dedicated to detailed assessment of the fetal heart — its structure, function, rhythm, and blood flow patterns. Unlike the standard obstetric anomaly scan (which provides a brief four-chamber view of the heart), fetal echocardiography performs a comprehensive, systematic evaluation of all fetal cardiac chambers, valves, great vessels, and vascular connections, enabling detection of congenital heart defects (CHD) with far greater sensitivity and specificity. At Edge Imaging and Diagnostics, Raghubir Nagar, West Delhi, our experienced fetal medicine specialists and cardiac sonographers perform fetal echocardiography for expectant mothers from Rajouri Garden, Tagore Garden, Punjabi Bagh, Paschim Vihar, Moti Nagar, Kirti Nagar, and Janakpuri.

Congenital heart disease (CHD) is the most common birth defect globally, affecting approximately 8 per 1,000 live births according to the World Health Organization (WHO). In India, with approximately 25 million births annually, this translates to roughly 200,000 babies born with CHD each year. Many of the most critical congenital heart defects are detectable prenatally with a skilled fetal echocardiogram, allowing parents and medical teams to prepare appropriately for delivery and neonatal cardiac care — and in some cases, even enabling fetal cardiac intervention.

What Is Fetal Echocardiography? How It Differs from a Routine Anomaly Scan

A routine anomaly scan (typically performed at 18–22 weeks) includes a brief four-chamber cardiac view and, in experienced hands, the three-vessel view. While this detects major cardiac abnormalities (large VSDs, single ventricle defects, HLHS), it misses many important congenital heart defects.

Fetal echocardiography is a dedicated, extended examination lasting 30–60 minutes that systematically evaluates:

Cardiac situs: Position of the heart within the chest (levocardia, dextrocardia, mesocardia) and its relationship to other organs
Cardiac axis: Normal leftward axis vs. abnormal deviation
Cardiac size: Cardiothoracic ratio — cardiomegaly may indicate cardiac failure or structural defects
Four-chamber view: Both atria and both ventricles — size, symmetry, septal integrity, and myocardial contractility
Atrioventricular valves: Mitral and tricuspid valves — morphology, opening and closing, regurgitation by colour Doppler
Ventricular outflow tracts (LVOT and RVOT): Aorta arises from left ventricle, pulmonary artery from right ventricle — crossing relationship, size
Great vessel anatomy: Ductal arch, aortic arch (left or right), pulmonary arteries — size, branching, relationship
Systemic and pulmonary venous connections: Pulmonary veins draining to left atrium; superior and inferior vena cava to right atrium
Fetal cardiac rhythm: Normal sinus rhythm vs. arrhythmias (bradycardia, tachycardia, heart block, SVT)
Fetal cardiac function: Ventricular wall motion, shortening fraction, myocardial performance index
Pericardial fluid

When Is Fetal Echocardiography Recommended?

Fetal echocardiography is recommended in two broad categories: high-risk pregnancies (targeted fetal echo) and as part of routine comprehensive fetal assessment.

Fetal Indications (Fetal Risk Factors)

Increased nuchal translucency (NT) on first-trimester scan: NT ≥3.5 mm significantly increases the risk of both chromosomal abnormalities and congenital heart defects, even when the karyotype is normal
Suspected cardiac abnormality on anomaly scan: Abnormal four-chamber view, outflow tract abnormality, or three-vessel view abnormality detected on the routine 18–20 week scan
Fetal arrhythmia detected: Persistent fetal bradycardia, tachycardia, or irregular heart rhythm on routine obstetric Doppler
Chromosomal abnormality: Trisomy 21 (Down syndrome) has a 40–50% incidence of CHD (most commonly AVSD and VSD); Trisomy 18 and 13 have very high rates of complex CHD; Turner syndrome (45,X) is associated with coarctation of the aorta and bicuspid aortic valve
Non-immune hydrops fetalis: Fetal cardiac failure (structural defect, arrhythmia, cardiomyopathy) is one of the most important causes of fetal hydrops
Suspected extracardiac anomalies: Diaphragmatic hernia, abdominal wall defects, and other major structural anomalies have a higher associated rate of CHD
Fetal growth restriction (FGR)

Maternal Indications (Maternal Risk Factors)

Congenital heart disease in either parent: The recurrence risk of CHD in offspring of an affected parent is 3–5% (general population risk is ~0.8%). Fetal echo is essential for such pregnancies
Prior child or sibling with CHD: The recurrence risk after one affected child is approximately 3–5% (higher for specific defects like HLHS)
Maternal diabetes (pre-gestational type 1 or type 2): Maternal diabetes increases the risk of CHD (particularly ventricular septal defects, transposition, cardiomyopathy) 3–5 fold. Gestational diabetes is a lower but still elevated risk
Maternal phenylketonuria (PKU): Untreated or poorly controlled maternal PKU carries an extremely high rate of fetal CHD (25–50%)
Maternal autoimmune disease (SLE, SS-A/SS-B antibodies): Anti-Ro/La antibodies can cause complete fetal heart block — requires serial fetal echo from 16–26 weeks
Teratogenic drug exposure: Lithium (Ebstein’s anomaly risk), retinoic acid, thalidomide, isotretinoin, ACE inhibitors, valproate — all associated with CHD
Maternal rubella or CMV infection in the first trimester
Maternal alcohol abuse
Assisted reproduction (IVF/ICSI): Slightly increased CHD risk compared to natural conception

When Is Fetal Echocardiography Performed? Optimal Timing

The optimal gestational window for fetal echocardiography is 18 to 24 weeks of gestation. At this stage, the fetal heart is large enough for detailed structural assessment, the fetus is in a favorable position for scanning, and adequate amniotic fluid surrounds the fetus. Early fetal echocardiography can be performed from 14–16 weeks — useful for high-risk cases where earlier diagnosis is desired — though image quality is lower and some structures are harder to assess. Repeat echocardiography at 22–24 weeks may be recommended after an early scan.

Congenital Heart Defects Detectable by Fetal Echocardiography

Defect Type	Examples	Detection Rate by Fetal Echo
Septal Defects	VSD (ventricular septal defect), ASD (atrial septal defect), AVSD (atrioventricular septal defect — very common in Down syndrome)	VSD: 70–85%; Large ASD: 70%; AVSD: >95%
Outflow Tract Abnormalities	Tetralogy of Fallot (TOF), Pulmonary atresia, Truncus arteriosus, Double outlet right ventricle (DORV)	70–90% for complex outflow defects
Transposition Defects	D-Transposition of great arteries (D-TGA), Congenitally corrected transposition (ccTGA)	70–80%
Left Heart Obstruction	Hypoplastic left heart syndrome (HLHS), Critical aortic stenosis, Coarctation of the aorta, Interrupted aortic arch	HLHS: >95%; Coarctation: 50–70%
Right Heart Obstruction	Pulmonary stenosis, Pulmonary atresia, Ebstein’s anomaly, Tricuspid atresia	80–95% for significant lesions
Venous Abnormalities	Total anomalous pulmonary venous connection (TAPVC), Persistent left SVC	60–80% for TAPVC
Cardiomyopathies	Dilated cardiomyopathy (DCM), Hypertrophic cardiomyopathy (HCM)	Good with detailed assessment
Cardiac Tumors	Rhabdomyoma (most common — associated with tuberous sclerosis), Fibroma, Teratoma	>90%
Arrhythmias	Complete heart block (anti-Ro), SVT, AF, VT	Near 100% for rhythm detection

How Fetal Echocardiography Is Performed at Edge Imaging and Diagnostics

Transabdominal Approach (Primary)

The mother lies comfortably on the examination table. Ultrasound gel is applied to the abdomen, and the transducer is gently moved across the maternal abdomen to obtain optimal fetal cardiac views. This is the standard approach at 18–24 weeks and is completely painless. No fasting is required for a standard fetal echo.

Transvaginal Approach (Supplementary)

A transvaginal transducer may be used when the transabdominal views are suboptimal due to maternal body habitus, unfavorable fetal position, or for early fetal echocardiography at 14–16 weeks when transabdominal resolution is insufficient. This approach provides superior image resolution but requires appropriate patient preparation and informed consent.

Specific Views and Examination Protocol

A complete fetal echocardiogram includes: situs and cardiac position assessment, four-chamber view (with colour flow Doppler), five-chamber view, outflow tract views (LVOT and RVOT views, three-vessel and three-vessel-trachea views), aortic arch and ductal arch views, pulmonary venous assessment, systemic venous assessment (SVC, IVC), M-mode for arrhythmia evaluation, Tissue Doppler for myocardial performance, and complete Doppler spectral assessment of all four valves. The examination takes approximately 30–60 minutes at our Raghubir Nagar center.

How to Prepare for Fetal Echocardiography in Delhi

No fasting required — eat and drink normally; a full bladder may help at earlier gestational ages
Bring all prior obstetric records: Antenatal file including blood reports, anomaly scan report, NIPT or Down marker results, and referring doctor’s letter
Bring your partner or support person — this is an important examination and having support is encouraged
Wear comfortable, two-piece clothing — easy access to the abdomen is needed
Inform our team of any cardiac conditions, medications, or significant family history — this helps tailor the examination protocol
Booking an appointment is essential — fetal echocardiography is a specialized examination that requires dedicated time slots at our Delhi center

What Happens After Fetal Echocardiography? — Results and Next Steps

Normal Fetal Echo

A normal fetal echocardiogram is immensely reassuring. It significantly reduces (though does not completely eliminate, as some defects are not detectable prenatally) the risk of a significant congenital heart defect in your baby. Our sonographer will explain the findings immediately after the scan, and a formal written report is provided the same day.

Abnormal or Suspicious Fetal Echo

If a cardiac abnormality is detected or suspected, our fetal medicine specialist immediately discusses the findings with you in a private, compassionate counseling session. The specific defect is explained in understandable terms, its likely implications for the baby’s health and prognosis are discussed, and a clear plan for further evaluation and management is outlined. This typically involves:

Repeat fetal echocardiography at a specialized center with higher-resolution equipment if needed for confirmation
Amniocentesis or chromosomal microarray to exclude associated chromosomal abnormality
Referral to a pediatric cardiac surgeon for surgical planning and counseling about expected postnatal management
Planning delivery at a hospital with a pediatric cardiac surgery program (third-level center) to ensure immediate neonatal cardiac care
In some cases, fetal cardiac intervention — e.g., balloon valvuloplasty for critical aortic stenosis to promote normal left heart development (performed at specialized fetal intervention centers)

Fetal Echocardiography Cost in Delhi

Fetal echocardiography is a specialized procedure requiring dedicated time and expertise. At Edge Imaging and Diagnostics, Raghubir Nagar, we offer this crucial investigation at transparent, competitive pricing. The cost typically ranges from ₹2,500 to ₹6,000 depending on the complexity of the examination, gestational age, and whether additional Doppler assessments are required. Please contact our center for the current confirmed price. Insurance coverage varies by policy — please check with your insurer.

Why Choose Edge Imaging and Diagnostics for Fetal Echocardiography in Delhi?

Dedicated fetal echocardiography service with high-frequency transducers specifically optimized for fetal cardiac imaging
Experienced fetal medicine specialists with subspecialty training in fetal cardiac assessment
Complete examination protocol including all standard and extended cardiac views, comprehensive Doppler assessment, and arrhythmia evaluation
Same-day written report with echocardiographic measurements, findings, and clinical recommendations
Genetic counseling available for cases where chromosomal abnormalities or genetic syndromes are suspected
Compassionate, family-centered care — we understand the emotional significance of this examination and provide empathetic counseling
Conveniently located in Raghubir Nagar — within 7 km of Rajouri Garden, Tagore Garden, Punjabi Bagh, Paschim Vihar, Moti Nagar, Kirti Nagar, and Janakpuri

Suggested Images

Image 1 Alt Text: “Fetal echocardiography being performed at Edge Imaging Diagnostics Raghubir Nagar Delhi”
Image 2 Alt Text: “Fetal heart four chamber view on fetal echocardiography scan at Delhi prenatal center”
Image 3 Alt Text: “Colour Doppler fetal echocardiography showing VSD ventricular septal defect”
Image 4 Alt Text: “Fetal echocardiography prenatal cardiac scan center near Punjabi Bagh Rajouri Garden Delhi”

Frequently Asked Questions — Fetal Echocardiography in Delhi

Q1. What is the difference between a fetal echo and a routine anomaly scan?

The routine anomaly scan (18–20 weeks) provides a brief four-chamber cardiac screening view as part of a whole-body fetal assessment. Fetal echocardiography is a dedicated, extended (30–60 minute) examination focused exclusively on the fetal heart — evaluating all chambers, valves, great vessels, venous connections, cardiac rhythm, and function with comprehensive Doppler assessment. Fetal echo detects up to 3–4 times more cardiac defects than the routine anomaly scan screening view alone.

Q2. My anomaly scan was normal. Do I still need a fetal echo?

If you have specific risk factors — maternal diabetes, family history of CHD, abnormal first-trimester NT, chromosomal abnormality confirmed, or maternal autoimmune disease — fetal echocardiography is recommended regardless of the anomaly scan findings. A normal four-chamber view on anomaly scan does not exclude all congenital heart defects — outflow tract defects (like Tetralogy of Fallot and transposition) can have a normal four-chamber view. For high-risk patients, fetal echo at 20–22 weeks is essential.

Q3. Is fetal echocardiography safe for my baby?

Absolutely. Fetal echocardiography uses standard obstetric ultrasound (sound waves — no radiation) and has no known adverse effects on the mother or fetus. The ALARA (As Low As Reasonably Achievable) principle is followed, minimizing ultrasound exposure while obtaining all necessary diagnostic information. It has been performed safely on millions of fetuses globally for over 40 years.

Q4. At what week of pregnancy should I get a fetal echo?

The optimal time for fetal echocardiography is 18–24 weeks of gestation. For high-risk cases requiring early diagnosis, early fetal echo can be performed from 14–16 weeks (typically transvaginally or with a high-frequency transabdominal probe). If an abnormality is suspected or detected, repeat examination at 22–24 weeks or later is often recommended for complete assessment. Please book your appointment promptly — the diagnostic window has a finite gestational timeline.

Q5. Can fetal echocardiography detect all heart defects?

No single prenatal test detects 100% of heart defects. The detection rate of fetal echocardiography by experienced specialists for major CHD ranges from 70–95% depending on the specific defect. Some defects — particularly small muscular VSDs, mild coarctation of the aorta, and minor valve abnormalities — may not be reliably detected prenatally. Some defects also evolve in severity during pregnancy or in the newborn period. This is why all newborns undergo postnatal clinical and, where indicated, echocardiographic cardiac screening.

Q6. What happens if a serious heart defect is found prenatally?

Prenatal detection of a significant CHD is life-saving and management-changing. When a critical defect (like hypoplastic left heart syndrome, transposition of great arteries, or pulmonary atresia) is diagnosed prenatally at Edge Imaging and Diagnostics, Raghubir Nagar, our team immediately initiates a comprehensive care pathway: genetic counseling, consultation with a pediatric cardiac surgeon, planning of delivery at a cardiac surgery center, and ensuring the neonatal cardiac team is ready at birth. Without prenatal diagnosis, many of these babies present in cardiovascular collapse in the newborn period with significantly worse outcomes.

Q7. Where can I get fetal echocardiography near Janakpuri or Paschim Vihar?

Edge Imaging and Diagnostics in Raghubir Nagar is the premier fetal echocardiography center for West Delhi, serving patients from Janakpuri (7 km), Paschim Vihar (6 km), Punjabi Bagh (4 km), Rajouri Garden (4 km), Tagore Garden (3 km), Kirti Nagar (4 km), and Moti Nagar (5 km). Conveniently accessible via Delhi Metro Green Line and road, our center provides specialized fetal cardiac expertise in your neighborhood.

Book Your Fetal Echocardiography Appointment at Edge Imaging and Diagnostics, Delhi

Your baby’s heart health is one of the most important aspects of a safe, well-managed pregnancy. Fetal echocardiography at Edge Imaging and Diagnostics, Raghubir Nagar provides expectant parents and their medical teams with the most accurate prenatal cardiac assessment available — enabling informed decisions, optimal birth planning, and the best possible start for your baby’s cardiac care.

We serve expecting mothers from Rajouri Garden, Tagore Garden, Punjabi Bagh, Paschim Vihar, Moti Nagar, Kirti Nagar, Janakpuri, and across Delhi NCR.

📞 Call us to book your fetal echocardiography appointment in Delhi.
📍 Visit Edge Imaging and Diagnostics, Raghubir Nagar, New Delhi.
🌐 Book online at our appointment portal.

Fetal Echocardiography in Delhi: Prenatal Heart Scan — Guide, Indications & Cost 2026