PREGNANCY-BIRTH Messages for December, 2001: Re: 10 w 4 day ultrasound from lmp

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Re: 10 w 4 day ultrasound from lmp
From: William F. von Almen, II, MD, FACOG (anonymous@obgyn.net)
Wed, 5 Dec 2001 12:39:30 -0600 (CST)

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In reply to: Carla: "10 w 4 day ultrasound from lmp"

At Wed, 5 Dec 2001, Carla wrote: >
>Hi , I am 10w4days from lmp. Could you please tell me that if my baby
>measured 10w3days on ultrasound dating back to May 24th, 2001, between
>what dates did I conceive, taking into account margin of error of baby's
>growth and margin of error for technician measuring as well? (My
>ultrasound says CRL 30mm which according to charts is 9w6days which
>dates to 28th May but my ultrasound specifically states 10w3days next to
>the crl measurement so we will stick with that.)

Carla
I am confused by your ?. A first trimester ultrasound has a +/- 5 days validity as far as dating goes. Hope this helps.

-- William F. von Almen, II, MD, FACOG Chairman, Editorial Advisory Board Pregnancy and Birth Section Private Practice New Orleans, La.
*Please understand I can not respond to private emails.
*These comments are for educational purposes only. They are not meant to take the place of an examination by a qualified health care provider. They are not intended to be the start of a physician-patient relationship.

Next message: William F. von Almen, II, MD, FACOG: "Re: Am I overeacting?"
Previous message: Christine: "Re: signs of low progesterone - posting 3rd time - please answer!!!"
In reply to: Carla: "10 w 4 day ultrasound from lmp"

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