How accurate are 12 week dating scans
The scan is primarily for dating but the sonographer will also look in on a few more things at the same time.Here are the main checks they'll be making: Your baby will be measured and the exact stage of pregnancy will be calculated from the measurement made from crown to rump.The clarity of the picture depends on a number of things.
But when it comes to figuring out your baby's sex, how accurate are ultrasounds, really?
If you're plus-size, that additional body mass can prohibit a clear image of your baby.
"Determining a fetus' sex on ultrasound is certainly more difficult in women who are overweight or obese," Dr. In general, you can take your sonographer's word for it if she says boy or girl -- but be prepared with another name, just in case! All content on this Web site, including medical opinion and any other health-related information, is for informational purposes only and should not be considered to be a specific diagnosis or treatment plan for any individual situation.
Before the scan you will be asked to drink a lot of water and have a full bladder, as this puts the uterus in a better position to be scanned.
This can be something of an uncomfortable challenge if your sonographer has particularly long waiting times.