A 31-year-old female asked:
ok so i had my dating ultrasound. im a week ahead 8 weeks 2-3 days. they saying definitely over 8 weeks but i thought i was 7 weeks 4 days. we didn't even have to do transvaginal cause she said i'm definitely over 8 weeks. could they be wrong ?
1 doctor answer
Dr. Roger Duvivier answered
47 years experience Obstetrics and Gynecology
Accuracy may vary: A careful transvaginal (not transabdominal) pelvic sonogram (a "first trimester dating scan") performed by a certified sonographer using a well calibrated machine and proper scannig techniques is usually quite reliable and fairly accurate (plus or minus a few days) in dating your pregnancy. A follow up pregnancy sonogram in a few weeks should help answer your concerns and confirm your dates.
Answered on Oct 2, 2020
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
Related questions:
A 21-year-old female asked:
Are transvaginal ultrasounds accurate for dating at 4-5 weeks (only a sac was seen) and at 11 weeks?
Dr. Thomas Mahoney answered
36 years experience Obstetrics and Gynecology
Yes: While the dating based on sac size is questionable, it is usually accurate to within a few days--depends on type of ultrasound. An ultrasound at 11 we ... Read More
1
1 thank
A 29-year-old female asked:
Dr. Wayne Ingram answered
Specializes in Obstetrics and Gynecology
Not necessarily: Due dating pregnancies is more accurate with more than one ultrasound performed. However, the 6 week ultrasound might be more accurate in dating your ... Read More
A 23-year-old female asked:
Dr. Anthony Filly answered
26 years experience Radiology
Depends: On the size if the baby. Transabominally is fine as the baby increases in size. If it is really small then tv is bettet.
A 24-year-old female asked:
Dr. Steven Weissberg answered
55 years experience Obstetrics and Gynecology
Pretty good: Transvaginal ultrasounds, especially early in pregnancy and repeated can be pretty accurate in determining the length getation and thus can calculate ... Read More
2
2 thanks
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
People also searched for:
Connect by text or video with a U.S. board-certified doctor now — wait time is less than 1 minute!
24/7 visits
$15 per month