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A member asked:
Had ultrasound today at 14w3d. gestational sac shows 12w3d and crl measure 13w3d. heartbeat is 154. should i be concerned?
A doctor has provided 1 answer
Measurements of accurate gestational dates by ultrasound depend on knowing the precise day of ovulation, which can vary. A "late ovulation" will cause estimated weeks of gestation to exceed the measurements provided by ultrasound. What is provided suggests good progression of the pregnancy, and normal fetal heart rate. This is a safe time in pregnancy: do not be concerned.
Answered 3/9/2021
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