US DATING TVS SCAN
Also Known As
SENIOR
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FAMILY
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Certified Labs
NABH Accredited
60 mins collection
Not specified
Reports in
6hrs
Measures
No description available
Identifies
No identification information available
About The Test
US Dating TVS Scan Overview
Ultrasound Dating Transvaginal Scanning (US Dating TVS Scan) is an imaging diagnostic technique that assesses the viability of an embryo, determines its gestational age, and monitors its growth through US Dating TVS Scan. This technique utilizes transvaginal ultrasound to visualize the uterus along with the gestation sac, yolk sac, and embryo, all with exquisitely detailed images.
What is US Dating TVS Scan?
US Dating TVS Scan refers to capturing an embryo that is less than thirteen weeks in a situ- intrauterine cavity using a transvaginal probe which generates high-frequency sound waves. It is remarkable as it gives reproducible measurements that depict accurate estimates of the age of the foetus within the womb along with the well-being or health of the foetus.
Types of US Dating TVS Scan
- Transvaginal Ultrasound: Type of internal scan to evaluate early pregnancy.
- Transabdominal Ultrasound: Used on later stages when the baby is bigger.
List of Parameters
List of Parameters Considered During US Dating TVS Scan
- Size and Location of the Gestational Sac
- Presence of Yolk Sac and Embryo
- Measurement of crown-rump length (CRL)
- Detection of foetal heartbeat
Why This Test
Reasons for Taking a US Dating TVS Scan
- Assessing viability of the pregnancy
- Calculation of due date with precision
- Diagnosis of early pregnancy complications
- Monitoring initial stages of foetal growth
When and Who Needs a US Dating TVS Scan?
Indications:
- Women experiencing irregular periods
- Uncertainty with the last menstrual date (LMD)
- Confirming early pregnancy
- Ectopic pregnancy
- Assessing foetal heartbeat and viability
Patient Demographic:
- First trimester pregnant patients
- Patients undergoing fertility treatment
- Patients with a history of recurrent pregnancy loss
Benefits
Benefits of Taking the Test
- Establishes precise gestational dating
- Verifies pregnancy in approximately of 5 weeks
- Determines pregnancy
- Serves as early detection for pregnancy risks
Illnesses Diagnosed with US Dating TVS Scan
- Ectopic pregnancy
- Blighted ovum
- Early-stage pregnancy loss
- Molar gestation
Preparing for test
Preparing for US Dating TVS Scan
- No specific restrictions on diet prior to the scan
- Bladder should be empty prior to the transvaginal scan.
- Dress in loose fitting clothes to ease access for facilitators.
Pre-requisites
- No specialized prep beforehand
- Considered non-invasive for every pregnant woman regarding safety.
Best Time to Take the US Dating TVS Scan
- Between the 6th and 10th week of gestation for optimal accuracy.
Eligibility
- Considered safe for every woman pregnant.
- Not scheduled for females whose Estimated Date of Delivery has been calculated using LMP
Procedure for Taking a US Dating TVS Scan
- Patient is made to sit on the examination table.
- Protected transference probe with gel and gloves is carefully put on the vagina.
- The sonographer record videos of are of the sac, yolk, embryo and beating heart.
- Some Measurements such as CRL are made to ascertain the age of conception.
- The analysis duration is roughly 10 to 15 minutes.
Caution Before Taking the Test
- Let the sonographer know about any concern regarding vaginal bleeding or pain.
- Adhere to the instructions provided for confirming the scan.
Test Results
Results and Interpretations
Condition/Findings | Description | Interpretation |
---|---|---|
Gestational Sac Visible (4-5 weeks) | Early sign of pregnancy. | Confirms intrauterine pregnancy. |
Yolk Sac Present (5-6 weeks) | Indicates a progressing pregnancy. | Provides nutrition to the developing embryo. |
Fetal Heartbeat Detected (6-7 weeks) | Confirms a viable pregnancy. | Normal range: 90-180 bpm. |
No Fetal Heartbeat (>7 weeks) | May indicate a non-viable pregnancy. | Requires follow-up scan for confirmation. |
Ectopic Pregnancy Findings | Gestational sac outside the uterus. | Requires immediate medical attention. |
FAQs
Is getting a US Dating TVS Scan painful?
In short, no as it doesn't hurt but the transvaginal ultrasound may feel mildly uncomfortable.
How long does the test take?
The average US Dating TVS Scan takes roughly 10 to 15 minutes.
Can I eat before the scan?
You can eat with no restrictions.
Is transvaginal ultrasound safe in early pregnancy?
Yes, it's uses for early pregnancy diagnose and is considered a normal procedure.
What happens after the test?
A radiologist will evaluate the images and send a report to your doctor.
Throughout this guide, we want to provide any patient and provider facing US Dating TVS Scan imaging a full understanding of the purpose, process, benefits and limitations.