Get Virtual Care
  • Primary Care
  • Urgent Care
  • FAQs
  • Support Center
For Businesses
  • Direct Primary Care for Organizations
  • For DMEs and Pharmacies
  • For Health Plans
  • For Providers
About Us
  • Who We Are
  • Why HealthTap
  • Our Standards
  • Contact
Log in
Book a video appointment
Book now
  • Get Virtual Care

    • Primary Care
    • Urgent Care
    • FAQs
    • Support Center
  • For Businesses

    • Direct Primary Care for Organizations
    • For DMEs and Pharmacies
    • For Health Plans
    • For Providers
  • About Us

    • Who We Are
    • Why HealthTap
    • Our Standards
    • Contact
Log in to HealthTap
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

If no known last menstrual period, and ultrasound says you are 8 weeks, are you for sure 8 weeks?

A doctor has provided 1 answer
Dr. Ralph Boling answered

Very accurate: within a few days plus or minus.

Answered 2/21/2020

99 views

Thank

Related Questions

A member asked:

First day of last period was january 18 which makes me 13 weeks ultrasound says 10 no way that's right. I had implantation on feb 3?

A doctor has provided 1 answer

A member asked:

Ultrasound says baby measures 0.61 cm. Last period August 1. normal height? Miscarried last baby. Took ultrasound at 7 wk 1d. last time was 0.59 cm.

A doctor has provided 1 answer

A member asked:

Hi. My due date by ultrasound is 29 nov 2014 but I think it's wrong. My last period Was on 5th feb not 22 as they say I'm so confused. Help please?

A doctor has provided 1 answer

A member asked:

So if my last period was may 6, 2013 and my ultrasounds say I am 22 weeks did i really conceive in may or june?

A doctor has provided 1 answer

A member asked:

I thought my last menstrual period was nov.28 but I spotted dec7-8 and bled heavy on the 9th doctor say my LMP was dec 9 is it? or the 7th?

A doctor has provided 1 answer

People also searched for:

If i wasnt able to tell the sonographer my LMP do they tell you the age of the fetus? At my first ultrasound i couldnt remember the exact date of my last menstral period, i just knew the general timing. So i said i didn't know, so does the measurements th
Can ultrasound see a pinched nerve such as the sural nerve or a cutaneous nerve?
Last period was jan 27, they say i'm 8 wks. I did my ultrasound today and it shows about 6 wks. Could they be wrong?
If my last menstrual period was november 18th but both my ultrasounds one @ 6 weeks one at 11 weeks say august 29-30th conceived from sex in nov or dec?
My last period was in june i spotted end of july ultrasound says 12wks when was conception?

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
Ask your question
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 question

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.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited

For Businesses

Direct Primary Care for OrganizationsFor DMEs and PharmaciesFor Health PlansFor Providers

Company

About UsSupport CenterContact Us

Health Content

Health TopicsDoctor Q&A by Specialty

Join Us

For DoctorsJobs
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.