A member asked:

My due date based on a 7w1d ultrasound is sep. 2nd but my lmp is aug. 13th. which due date is more accurate.

A doctor has provided 1 answer

Dr. David Krulak answered

Specializes in Family Medicine

Ultrasound: Generally speaking, a first trimester ultrasound is more accurate. If the two dates are within a couple of weeks, generally you keep the LMP dates. However, farther apart than that, you shift to the ultrasound dating because of its increased accuracy..

Answered 6/27/2014

3.9k views

Thank

More of what we treat

Allergies

Antibiotics

Asthma

High Blood Pressure

Prescriptions

Type 2 Diabetes

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.

Get Virtual Care

For Businesses

About Us

HealthTap Online Primary Care Doctors Accepting New Patients

A member asked:

My due date based on a 7w1d ultrasound is sep. 2nd but my lmp is aug. 13th. which due date is more accurate.

A doctor has provided 1 answer

Dr. David Krulak answered

Related Questions

A member asked:

What changes a due date by 4 days? Original due date was based on LMP only and then changed to 4 days earlier after 12wk ultrasound. U/s this precise?

A member asked:

How do you know if your due date is accurate? (ultrasoud, multiple ultrasounds give same date, lmp, etc?)

A member asked:

The doctors determined my due date from an estimated lmp, it was nov4 . Sept 16, i got an ultrasound that read oct25 which date is accurate?

A member asked:

Don't need to pinpoint conception day, but two first trim ultrasound give same due date we have no lmp to go off, how accurate is age of our baby?

A member asked:

Ultrasound accuracy at 13 weeks an 3 days i was just wanting to know the number of days an ultrasound could be off at that point would it be off by 14 days? And also my LMP was 10/27/2011 due 08/02/2012 but the ultrasound said LMP 10/18/2011 due date 07/2

Sponsored Content

People also searched for:

I have two due dates based on my LMP and and ultrasound. Which one is more accurate?

I have a question about a dating ultrasound? How accurate are they ? The dating based on my LMP and the date it puts me at are 10 days apart

Hi doctors i had a ultrasound yesterday it said due aug 29 what is more accurate LMP or ultrasound i need my most accurate conception date please help?

Confused my ultrasound reports from 7 weekscan, 12 week and 20 have given me a due date of 17th Feb 2022 but says LMP 5th may 2021 and then on another report it says LMP 13th may why have my LMP changed and whats accurate as want to work out concepti?

I had an ultrasound at 8 weeks 4 days Nov 14th, with a due date of june 22nd. My LMP was September 19th.. which date is accurate ultrasound or LMP?

Telemedicine

Primary Care

Manage Your Conditions

Women's Health

Children's Health

Men's Health

Senior Health

Wellness, Prevention & Lifestyle

Sexual Health

Mental & Behavioral Health

Travel Medicine

Urgent Care

Didn't find what you're looking for?

More of what we treat

Allergies

Antibiotics

Asthma

High Blood Pressure

Prescriptions

Type 2 Diabetes

For Businesses

Company

Health Content

Join Us

Download HealthTap

Questions?