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7 week gestation ultrasound

A 18-year-old member asked:
Dr. Philip Miller
A Verified Doctor answered
A US doctor answered Learn more
Untrue: this is inaccurate: ultrasounds are certainly quite sensitive at both 7-8 weeks. Consult your oB- there is no logic in this statement.
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A member asked:
Dr. Miguel Cano
29 years experience Obstetrics and Gynecology
Approx 6/28/12: Give or take a few days. Edc is calculated to march 21, 2013. Congrats.
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Dr. Craig Keathley
23 years experience Obstetrics and Gynecology
Not exact: Ultrasound has an inherent margin of error so it is not exact. The time of conception was likely at the end of june/beginning of july with a margin o ... Read More
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Dr. Thalia Lopez
24 years experience Obstetrics and Gynecology
Conception: Your date at conception would be june 28, 2012 plus or -1 to 2 days.
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A 28-year-old female asked:
Dr. Bruce J. Stringer
46 years experience Radiology
Sono better than lmp: There are 2 possibilities. One is that you conceived later than you thought, perhaps due to late ovulation. The other is that the conception failed ve ... Read More
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3 thanks
A 25-year-old female asked:
Dr. Robert Kwok
32 years experience Pediatrics
Yes. "Accurate".: Ultrasound pregnancy dating scans measure fetal size or age (time since conception), and convert the measurements to human gestational age. Gestationa ... Read More
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A 23-year-old male asked:
Dr. Charles Whiting
26 years experience Obstetrics and Gynecology
No: If you had a competent ultrasonographer with a good ultrasound machine, it shouldn't be off by more than 10 days. (Remember that pregnancy dating is ... Read More
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A 34-year-old male asked:
Dr. Charles Gordon
Specializes in Adolescent Medicine
Not really: There are several parameters that are measured to follow fetal growth in utero: biparietal diameter, femur length. They don't measure size of fetal sa ... Read More
A 34-year-old female asked:
Dr. Erinn Huffman
10 years experience Obstetrics and Gynecology
Most likely: The most accurate measurement of the fetus is the crown rump length. The gestational sac is like a fluid filled balloon, not a perfect sphere. So the ... Read More
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A 28-year-old female asked:
Dr. Edward Druy
52 years experience Radiology
Gestational age: Ultrasound is more accurate in determining gestational age than the date of your last period.
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A 22-year-old female asked:
Dr. Kent Childs
28 years experience Obstetrics and Gynecology
Gestational age: Your LMP is usually more accurate than ultrasound especially at 27+ weeks. Ultrasound is more accurate in the first trimester and gets less accurate t ... Read More
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A 21-year-old female asked:
Dr. Marsha Davis
27 years experience Internal Medicine
They : Are fairly accurate, most accurate dating at 6weeks.

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