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A 22-year-old female asked:

My unborn childs bpd in ultrasound measured 3.57cm.is this normal? what gestational age is this? by lmp i'm 16.4 days, by 1st ultrasound i'm 16.3 days

1 doctor answer1 doctor weighed in
Dr. Nikolaos Zacharias
Maternal-Fetal Medicine 28 years experience
16-17 weeks.: This corresponds to a 16-17 week pregnancy. This bpd is normal for gestational age.
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Last updated Dec 9, 2013

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