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Hello doctor,
I am 6 weeks pregnant CRL 3mm, fetal heart rate 110 times / minute. The standard CRL at 6 weeks of gestation is 4 - 7mm. So the doctor asked me if I have a CRL of 3mm at 6 weeks pregnant? Please advise, thank you doctor.
Anonymous customer
Answer
Answered by Doctor Nguyen Anh Tu - Department of Obstetrics and Gynecology, Vinmec Hai Phong International General Hospital.
Hello,
With the question "Is it okay to have a CRL of 3mm at 6 weeks? ", the doctor would like to answer as follows:
CRL (short for Crown Rump Length) is an index measured in mm, showing the length of the fetus from head to bottom. The doctor will use this index to assess the growth rate of the fetus in the mother's womb through ultrasound processes.
With a small gestational age, the measurement of indicators always has errors, you do not need to be too concerned about the deviation of 1.2mm. That bias doesn't have much value. You continue to have pregnancy check-ups according to your doctor's appointment for specific advice.
If you still have questions about the CRL index, you can go to a hospital under Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!
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