Pregnancy is a journey filled with excitement, curiosity, and sometimes anxiety. One of the most common questions expecting parents ask is, “Doctor, when should I do each pregnancy scan?”
Understanding the correct timing of scans is very important. Each ultrasound is scheduled at a specific week for a specific medical reason. Missing the ideal window may reduce its diagnostic value.
In this blog, Dr. Sagar Sujanyal, a trusted Radiologist in PCMC, explains the best time for every pregnancy scan in a simple, week-by-week format.
Why Timing of Pregnancy Scans Matters?
Ultrasound scans are not done randomly. Each scan is designed to:
- Confirm pregnancy viability
- Assess fetal growth
- Detect structural abnormalities
- Monitor placenta and amniotic fluid.
- Evaluate blood flow when required.
Following the correct timeline ensures early detection of potential concerns and safer pregnancy management.
Week-by-Week Pregnancy Scan Guide:
1. Early Pregnancy / Viability Scan (6–8 Weeks):
Best Time: 6 to 8 weeks
This is usually the first ultrasound.
Purpose:
- Confirm intrauterine pregnancy
- Detect fetal heartbeat
- Rule out ectopic pregnancy.
- Confirm the number of babies (single or twins)
Many women searching for an Ultrasound Scan (Sonography) Center in PCMC undergo this scan for reassurance in early pregnancy.
2. NT Scan (11–13 Weeks 6 Days):
Best Time: Between 11 weeks and 13 weeks 6 days
This timing is very specific. It should not be delayed beyond 14 weeks.
Purpose:
- Measure Nuchal Translucency (NT)
- Assess early risk of chromosomal abnormalities.s
- Early structural screening
If you are looking for an Ultrasound NT Scan in PCMC, this scan must be scheduled within this exact window for accurate results.
3. Anomaly Scan / Level 2 Scan (18–22 Weeks):
Best Time: 18 to 22 weeks
This is one of the most important pregnancy scans.
Purpose:
- Detailed organ evaluation
- Brain, heart, spine, kidneys, limbs assessment
- Placenta position
- Amniotic fluid evaluation
This scan carefully checks fetal structure and development. Many patients search for Ultrasound Anomaly Scans in Pune during this period because it is a crucial milestone in pregnancy.
4. Growth Scan (28–32 Weeks):
Best Time: Around 28 to 32 weeks
Purpose:
- Monitor the baby’s growth
- Check fetal weight
- Assess amniotic fluid
- Evaluate placenta maturity
If conditions such as gestational diabetes or high blood pressure are present, growth scans may be repeated as advised.
5. Color Doppler Scan (As Advised):
Best Time: Usually after 28 weeks, if required
Purpose:
- Assess blood flow in the umbilical cord
- Evaluate placental circulation
- Monitor high-risk pregnancies
Patients often look for Color Doppler Ultrasound in Pimpri Pune when advised for a detailed blood flow assessment in high-risk cases.
6. 3D/4D Ultrasound (Optional – 24–30 Weeks):
Best Time: 24 to 30 weeks
This scan provides clearer surface images of the baby.
Purpose:
- Detailed facial view
- Better visualization in selected cases
- Parental bonding
While 3D/4D scans are not mandatory, they are helpful in specific medical situations and are also chosen by many families for a clearer view of their baby.
When Additional Scans May Be Needed?
Your doctor may advise extra scans if:
- There is reduced baby movement
- There is bleeding or abdominal pain.
- You have high blood pressure or diabetes.
- Twin pregnancy
- Growth concerns
Every pregnancy is unique. Scan frequency depends onthe medical indication.
Importance of Choosing the Right Center:
Accuracy in pregnancy scans depends on:
- Experience of the radiologist
- Quality of the ultrasound machine
- Proper fetal imaging protocol
- Detailed reporting
Choosing a reliable Ultrasound Scan (Sonography) Center in Pune ensures safe and precise monitoring throughout pregnancy.
Pregnancy Scan Services in PCMC:
At Pearl Diagnostics, comprehensive pregnancy ultrasound services are provided under the supervision of experienced radiologists.
From early viability scans to detailed anomaly scans and growth monitoring, every examination is performed with clinical precision and structured reporting.
The focus remains on:
- Detailed fetal assessment
- Clear explanation to parents
- Ethical and responsible practice
- Comfortable environment for expecting mothers
Conclusion:
The best time for every pregnancy scan depends on gestational age and the medical purpose. Each scan has a specific diagnostic window.
Following the correct week-by-week schedule helps in early detection, safer pregnancy monitoring, and better outcomes for both mother and baby.
If you are planning your pregnancy scans and are unsure about the correct timing, consulting an experienced Radiologist in PCMC can guide you properly.
Early care, correct timing, and expert evaluation make a significant difference in pregnancy management.
