Accuracy of dating ultrasound
Dating > Accuracy of dating ultrasound
Last updated
Dating > Accuracy of dating ultrasound
Last updated
Although the terms ultrasound and sonogram are technically different, they are used interchangeably and reference the same exam. Computer assisted analysis of fetal age in the third trimester using multiple fetal growth parameters. If the embryo had lived through the withdrawal bleeding, and then measured small in the first abdominal scan, subsequent scans at 11 weeks, 14 weeks etc would have definitely picked up the discrepancy. I went in for my first ultrasound when I was 9 weeks and they estimated me at 9 weeks and 5 days cause of what the baby was measuring.
As with all screening tests, there can be false-positive and false-negative results. Delivery date is straight to weeks; head circumference; femur length.
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