During pregnancy, ultrasound scans help track your baby’s growth, detect abnormalities, and ensure maternal well-being. While many scans are available, only a few are medically necessary for all expecting mothers. If you’re unsure which scans are must-do, this guide—curated by fetal medicine experts in Chennai—will help clarify each stage of scanning during your pregnancy journey.
1. Early Pregnancy Scan (6–9 Weeks)
Purpose:
- Confirms the pregnancy
- Checks heartbeat and location (to rule out ectopic pregnancy)
- Determines the number of fetuses
- Estimates due date
Mandatory? Yes, especially in IVF pregnancies or if you’ve had previous complications.
2. NT Scan (11–14 Weeks)
Purpose:
- Measures nuchal translucency to assess risk of chromosomal abnormalities like Down syndrome
- Combines with blood tests for first-trimester screening
Mandatory? Strongly recommended. Helps with early risk detection and decision-making.
3. Anomaly Scan (18–22 Weeks)
Purpose:
- A detailed fetal anatomy scan to detect structural abnormalities
- Checks brain, spine, heart, kidneys, limbs, and other organs
- Identifies the position of the placenta
Mandatory? Yes. Considered the most critical scan during pregnancy for fetal health.
4. Growth Scan (28–32 Weeks)
Purpose:
- Monitors baby’s growth and amniotic fluid
- Evaluates placenta and blood flow
- Assesses fetal movement and position
Mandatory? Recommended, especially in high-risk pregnancies or if there are previous concerns.
5. Doppler Scan (32–36 Weeks)
Purpose:
- Assesses blood flow to the baby through the umbilical cord
- Detects fetal well-being and placental efficiency
- Especially useful for mothers with high blood pressure, diabetes, or previous complications
Mandatory? May not be needed in all pregnancies, but essential in high-risk or IVF cases.
Optional / Additional Scans Based on Individual Needs
- Targeted Organ Scan (if anomalies found in anomaly scan)
- Fetal Echocardiography (to examine baby’s heart)
- NIPT (Non-Invasive Prenatal Testing) for more accurate genetic screening
Where to Get Pregnancy Scans in Chennai?
Choosing the right center is crucial. At Vivid Scans, Kumananchavadi, Chennai, all key pregnancy scans are done by Dr. Archana (Fetal Medicine Specialist) using advanced ultrasound technology. With a focus on accuracy, comfort, and personalized care, you’ll receive detailed reports and counseling every step of the way.
Conclusion
Every pregnancy is unique, but some scans are universally important to ensure a healthy baby and a safe delivery. Make sure you don’t miss these mandatory milestones, and always consult a certified fetal medicine expert to stay on track.
