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EDD is changed in subsequent ultrasound
Hi doctor,
I am in first trimester,
In first and second scan EDD was 30th may 2025.
Today is my 11 week and 5 days of pregnancy.
Today I went for NTNB scan. In this scan baby is showing 11weeks 2 Days .
Radiologist is saying baby is small.so he couldn't perform the scan.
Why baby growth is showing 3 days less .
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Your first scan - consider edd and gestational age from that.
During NT scan ,the thickness of fluid-filled space behind the baby's neck is measured. It is usually done between 11-13 weeks. It shoould be visible to measure properly.
Disparity of 3 days is nothing alarming.
You can get NT done after one week.
Answered
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