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:

Is a three week pregnancy detectable accurately by ultrasound?

A doctor has provided 1 answer
Dr. Eric Goodman answered

Unlikely: The earliest signs of pregnancy are typically seen at 5 weeks on transvaginal ultrasound.

Dr Petruska and another doctor agreed

Answered 4/6/2013

5.2k views

Thank

Related Questions

A member asked:

Can the first 2 ultrasounds of pregnancy taken a month apart with the same accuracy of gestational age in the second trimester be off by +- 25 days ?

A doctor has provided 1 answer

A member asked:

How accurate are ultrasounds during early pregnancy? I had one at the ER are the ones given in the obgyn office more accurate? Thoughts? Transvaginal

A doctor has provided 1 answer

A member asked:

Accuracy at 11wks. pregnant, going by the actual age of pregnancy can it be possible for the ulstrasound to date me 10 days before i even had sex with second partner and 1 day after my first partner?

A doctor has provided 1 answer

A member asked:

How accurate is a ultra sound for the fetal age in early pregnancy?

A doctor has provided 1 answer

A member asked:

How common are partial molar pregnancies among Caucasians? Can they be picked up on a an ultrasound at 5 weeks gestation? Possible signs?

2 doctors weighed in across 2 answers

People also searched for:

Are ultrasounds done at 13 weeks pregnant accurate? What is the margin error of dating scans performed at this stage of the pregnancy?
How accurate are first trimester ultrasounds? How accurate are ultrasounds done during the first trimester of pregnancy? I had one done and the doc told me that i'm 8 weeks pregnant, but how off could he be? Is there a week or 2 margin of error?
Are abdominal ultrasounds as accurate for dating as vaginal around 11 weeks of pregnancy? What is the margin of error for abdominal at this gestation?
Why are early ultrasounds more accurate when it comes to dating a pregnancy?
How accurate are ultrasounds for dating pregnancy what's the margin of error. If my due date is oct 31, what are the dates i could have gotten pregnant?

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.