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Re: 37 week ultrasound questFrom: R. Daniel Braun, MD (anonymous@obgyn.net)Wed, 3 Jul 2002 18:06:25 -0500 (CDT)
At Wed, 3 Jul 2002, Betty wrote: > >Hello, >I will be 38 weeks tomorrow. Last ultrasound was at 37 weeks last >Thurs. to monitor growth since I was measuring 1 week behind at 20 >weeks, 2 weeks behind at 31 (3lbs) and 34 (4 lbs) weeks and now at 37 >weeks I was >closer to 3 weeks behind. Fetal weight is estimated at 5.5lbs. All >other >areas of US and organs were normal. AFP triple screen and GD test >normal. >Dr. believes just a small baby (boy). Dr. not overly concerned. I >was a tad under 5lbs at 37 week >birth 33 years ago and my husband was 6.5 for a twin 38 years. ago. > >QUestions: >1) What percentile is my little guy in with weight of 5.5 lbs? 5# 8 oz is the 10th %ile at 36 weeks. US weight estimation is plus or minus 15 %15% of 5.5 pounds is about 15 ounces. So that means that if US says 5.5 pounds, 90% of babies will be between 4.5# and 6.5#. The other 10% will be above or below that.
>2) Is this suggestive of IUGR?
-- R.Daniel Braun, MD FACOG FOG **Note: Opinions expressed here are for educational purposes only and, as such, do not constitute a physician-patient relationship. This information is not intended to supplant the need for you to consult with your physician prior to choosing therapeutic options and/or interventions.
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