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accuracy of fetal crl

A 33-year-old male asked:
Dr. Gregory Hines
24 years experience Family Medicine
Mostly accurate: Ultrasounds at that point in your pregnancy is generally accurate. Remember, however, that the presence of a penis to diagnose a male is generally ea ... Read More
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Dr. Bruce J. Stringer
47 years experience Radiology
Depends.: My rule has always been: don't guess! if the fetus is in a poor position for viewing the genitals then no determination can be made. At 20 weeks, if t ... Read More

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A 24-year-old female asked:
Dr. William Brown
44 years experience Gynecology
Sono reliable: For dating pregnancy, an ultrasound at the stage you define is a very good time to do so. A fetus that demonstrates cardiac activity and appears to ... Read More
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A 21-year-old male asked:
Dr. Carl Decker
24 years experience Radiology
Typically the first: The ultrasounds performed in the first trimester I have the most accuracy and will hold the accuracy throughout the pregnancy. That is unless there ar ... Read More
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A 24-year-old female asked:
Dr. Rixt Luikenaar
24 years experience Obstetrics and Gynecology
Ac: Measurements later in pregnancy become less accurate. Dating usually happens from your first ultrasound done. Sometimes the baby develops growth restr ... Read More
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A 21-year-old male asked:
Dr. Carl Decker
24 years experience Radiology
Must use averages: I don't believe that any single measurement is most accurate throughout pregnancy. It is usually the averages that are taken. The most accurate measur ... Read More
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A 23-year-old female asked:
Dr. Ralph Boling
39 years experience Obstetrics and Gynecology
Early sono: is very accurate at helping confirm the correct due date, so should be good at discerning timing for delivery. Single or multifetal pregnancy, it wor ... Read More
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A 34-year-old female asked:
Dr. Joseph Warren
40 years experience Obstetrics and Gynecology
Look on the web: There are standard tables on the web, available for you to see to determine gestational age based on crown rump length. This crl is truly the best wa ... Read More
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A 32-year-old female asked:
Dr. Ron Eaker
Dr. Ron Eaker answered
Specializes in Obstetrics and Gynecology
Yes: The accuracy of a sonogram at this early stage is usually plus or minus a week so depending on the quality of the quality of the sonogram dates can ve ... Read More
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A 32-year-old female asked:
Dr. Chevies Newman
22 years experience Obstetrics and Gynecology
Google: Google it, need machine to know, are you sure it's not .62 cm.? Good luck.
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A 32-year-old female asked:
Dr. Liza Kunz
Dr. Liza Kunz answered
21 years experience Maternal-Fetal Medicine
Normal!: This means your baby is exactly the average size for this point in pregnancy. 5th percentile would be on the very small side, and 95th percentile woul ... Read More
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