Search
Search
Ht_logo Sign Up Login About
Doctor

Which sonogram is more accurate? 1st sono measured baby at 7 weeks. 5wks later, 2nd sono baby measured 13 weeks, it changed my due date by a week.

Dr. Jeff Livingston, University of Texas Southwestern Medical School at Dallas Answered Mar. 5, 2015
20 years experience in Obstetrics & Gynecology
Early is better. Assuming a qualified technician is doing the sonograms in general the earliest sonogram wins.
Thank
1 Thanks
  1. Home
  2. → Health Answers
  3. → Pregnancy
  4. → Sac Fetal Pole
About • Terms • Privacy • Sitemap • Contact
HealthTap does not provide medical advice, diagnosis, or treatment.
For these services, please use HealthTap Prime or Concierge. See Additional Information.
HealthTap © 2017
Prime-badge2

Talk to a Doctor Now

Save-time 2 minute wait
Lower-costs Less than copay
Pills Get prescriptions
Second-opinion Get second opinions
Continue
Read More...

About HealthTap

111,000+
Top Doctors
25,527
Lives saved
7 billion+
Answers served
Doctors in our network have worked for:
Ucsf-medical Ucla-health Johns-hopkins-university
Trusted by:
Wired Wsj Nbc
Ios_consumer_app_icon
16,309 Ratings
Get the App for iOS and Android

Related Questions

  • Ultrasound at 32 weeks. Due date was Sept 12th and changed to Sept 10th. Does this mean I conceived earlier or is it based off babies measurements?
  • Why my Dr change due date from 07/13 to 07/27 after ultrasound 1st date was based off period. Which date is more accurate went from 10wks to 8wks?
  • My lmp was march 24th with a due date of December 30 but got changed to January 13 after first sonogram but my GA on sonogram dates back April 15th.
  • I had an ultrasound at 6 weeks and 1 day and got 2 readings of the babies heart beat, the first was 133bpm and the second was 176bpm are they ok?
  • 23w5d ultrasound babies head measures 22 weeks and the rest of the body measured normal. Should I be worried. My doctor said brain anatomy was WNL
  • How accurate on baby weight is ultrasound? When I had my babies, there was nothing like this, but my daughter (grandbaby on the way) had hers she said they could tell the weight. Really? How accurate is this? Just want a big healthy grandbaby!
  • Only possible conception dates: 7/4 and 7/18-23rd my first ultrasound dated me at 13 weeks 5 days. With a conception date of 7/20.How accurate is this?
  • My doctor said b/c my baby was small at my 21 week ultrasound, my due date changed from may 31 to june 16. How accurate are these estimates?
  • Last cycle 1/1, due date 10/8. 1st ultrasound at 7wks. Due date moved back to 10/13 bcuz baby size. Possible reasons why?
  • 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?

People Also Viewed

  • Child mental health
  • Child mental health nurse
  • Health factors affecting child development
  • Ivf babies health problems
  • Child health
  • Vaginal health and baby wipes
  • Read child health
  • Breech baby health problems
  • Epidemiological aspects of maternal and child health
  • How to read a baby sonogram

Related Topics

  • Sonogram
Prime-badge2

Talk to a Doctor Now

Save-time 2 minute wait
Lower-costs Less than copay
Pills Get prescriptions
Second-opinion Get second opinions
Continue
Read More...

About HealthTap

111,000+
Top Doctors
25,527
Lives saved
7 billion+
Answers served
Doctors in our network have worked for:
Ucsf-medical Ucla-health Johns-hopkins-university
Trusted by:
Wired Wsj Nbc
Ios_consumer_app_icon
16,309 Ratings
Get the App for iOS and Android

Related Questions

  • Ultrasound at 32 weeks. Due date was Sept 12th and changed to Sept 10th. Does this mean I conceived earlier or is it based off babies measurements?
  • Why my Dr change due date from 07/13 to 07/27 after ultrasound 1st date was based off period. Which date is more accurate went from 10wks to 8wks?
  • My lmp was march 24th with a due date of December 30 but got changed to January 13 after first sonogram but my GA on sonogram dates back April 15th.
  • I had an ultrasound at 6 weeks and 1 day and got 2 readings of the babies heart beat, the first was 133bpm and the second was 176bpm are they ok?
  • 23w5d ultrasound babies head measures 22 weeks and the rest of the body measured normal. Should I be worried. My doctor said brain anatomy was WNL
  • How accurate on baby weight is ultrasound? When I had my babies, there was nothing like this, but my daughter (grandbaby on the way) had hers she said they could tell the weight. Really? How accurate is this? Just want a big healthy grandbaby!
  • Only possible conception dates: 7/4 and 7/18-23rd my first ultrasound dated me at 13 weeks 5 days. With a conception date of 7/20.How accurate is this?
  • My doctor said b/c my baby was small at my 21 week ultrasound, my due date changed from may 31 to june 16. How accurate are these estimates?
  • Last cycle 1/1, due date 10/8. 1st ultrasound at 7wks. Due date moved back to 10/13 bcuz baby size. Possible reasons why?
  • 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?

People Also Viewed

  • Child mental health
  • Child mental health nurse
  • Health factors affecting child development
  • Ivf babies health problems
  • Child health
  • Vaginal health and baby wipes
  • Read child health
  • Breech baby health problems
  • Epidemiological aspects of maternal and child health
  • How to read a baby sonogram

Related Topics

  • Sonogram
  1. Home
  2. → Health Answers
  3. → Pregnancy
  4. → Sac Fetal Pole
About • Terms • Privacy • Sitemap • Contact
HealthTap does not provide medical advice, diagnosis, or treatment.
For these services, please use HealthTap Prime or Concierge. See Additional Information.
HealthTap © 2017