Get Virtual Care
For Businesses
About Us
A member asked:
Is it true that first trimester are off by 2 weeks i'm due may 14 from my 6 week and 9 week ultrasound so am i futher along.
A doctor has provided 1 answer
Probably: If your ultrasound dates are within 10 days of your last menstrual period dates, then you would use your LMP dates. But if you have 2 early us showing the same date that would be accurate. So, let your OB review everything and they will set your due date so there is no confusion.
Answered 2/13/2015
4.8k views
Thank
Related Questions
A member asked:
How accurate are first trimester ultrasounds at 8w1d & 9w5d done 2 weeks apart? And how much can it be off by?
5 doctors weighed in across 4 answers
A member asked:
Can a ultrasound be off almost 3 weeks? Like 2 weeks and a few days? (early first trimester)
A doctor has provided 1 answer
A member asked:
I ovulated on octomber 4th(that was CD13). According to this due date is 06/27.first trimester ultrasound(week 8) said DD is 06/23.which is reliable?
A doctor has provided 1 answer
A member asked:
Would the gestational age of 12wks+4days @62mm be off by 1 week since ultrasounds have a margin of error of 1 week in the first trimester?
4 doctors weighed in across 3 answers
People also searched for:
Can a first trimester ultrasound be two weeks off?
How accurate are abdominal ultrasounds in first trimester for dating how far along you are?
Could an abdominal ultrasound in the first trimester be off by a month, making me a month further along? All of my ultrasounds have given same edd.
What are the possible dates i concived with a due date of june 21st and I am now measuring a week ahead. Can first trimester ultrasounds be 2 weeksoff?
Ultrasounds in first trimester 6weeks 5 days oct.31 9 weeks 6 days nov 20 then meausring 13weeks 3days dec 11 a week ahead. could i be further then 36?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
