Use the prescription. The timeline is background information and does not replace an individual recommendation.
Pregnancy scans,
explained by week
and purpose.
You do not need to know the medical name. Start with how many weeks pregnant you are, or search the wording on your prescription below.
Browse by pregnancy week, or match the words on your prescription.
See the scan timeline→Your prescription and doctor’s advice come first. The timeline is general guidance because history, symptoms and earlier findings can change the schedule.
Search common names, short forms and alternatives.
Try NT, NTNB, anomaly, TIFFA, target, Level II, Doppler, fetal echo, viability or cervical length.
Showing all 7 pregnancy scans
Confirm the pregnancy and check early development
Early Pregnancy / Viability ScanAssess location, number, dating and early progress when clinically appropriate.
→11–14 WEEKSFirst-trimester pregnancy screening
NT / NB ScanA time-sensitive assessment performed within the defined screening window.
→18–22 WEEKSDetailed baby scan
Anomaly / TIFFA / Level II ScanDetailed assessment of fetal anatomy during mid-pregnancy.
→LATER PREGNANCYCheck the baby’s growth and wellbeing
Growth ScanMeasurements, growth pattern and selected wellbeing parameters.
→WHEN ADVISEDCheck blood flow to the baby
Fetal Colour DopplerSelected fetal and placental blood-flow assessment.
→WHEN ADVISEDDetailed baby heart scan
Fetal EchocardiographyFocused specialist assessment of the fetal heart.
→WHEN ADVISEDCheck the cervix and preterm-birth risk
Cervical Length ScanFocused cervical measurement when pregnancy history or findings make it relevant.
→No exact match found
Check the spelling or call the clinic and read the wording from your prescription. Reception can help identify the appointment type but cannot provide medical advice.
A medical examination, followed by a clear explanation.
The exact sequence depends on the scan and what can be seen on the day.
- 01
Review
Prescription, pregnancy dates, history and earlier reports.
- 02
Examine
The required views are obtained using the appropriate technique.
- 03
Explain
Findings and limitations are discussed in plain language.
- 04
Plan
Follow-up or referral is recommended when clinically needed.
Scans interpreted in the context of the pregnancy.
Dr Surabhi Dube’s work spans fetal medicine, high-risk pregnancy and obstetric care.
Questions before choosing a pregnancy scan
Scan timing and preparation depend on the examination and the pregnancy.
Symptoms, dating, previous findings, multiple pregnancy and maternal health can change the clinical question.
No. Different examinations are designed for different stages and questions.
Fetal position, pregnancy stage, an incomplete view or a finding that needs follow-up can all lead to a repeat.
No. Ultrasound is performed for medical purposes and fetal sex is not disclosed, in accordance with Indian law.