Re: Just how old is this embryo anyway??

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Menstrual age is the weeks since your period. Gestational age is the weeks since your last period and - guess what? Ultrasound measurements are based upon size of a fetus since ........... your last menstrual period.

Cool, huh?

the sono/dates discrepancy is 6 days. 3-4 days is acceptable at this point. they may alter your due date.

Hope this helps and write back anytime for more information.

HSM

At Thu, 30 Nov 2000, francy wrote: >
>OK--this is a difficult question!
>
>According to my LMP I am 9 weeks, 4 days pregnant.
>
>According to my ultrasound measurements, I am 8 weeks 5 days pregnant.
>
>Here's the confusing part: the ultrasound age CANNOT be the same as the
>gestational age, right? Because that would mean I was pregnant about a
>week BEFORE I even ovulated.
>
>So what is the significance of the 8w5d? It isn't menstrual age, and it
>isn't gestational age either.
>
>Just how old is this embryo anyway??
>
>Thank you for any clarification!
>
>--
>Francy Hammond
>

--
Harvey S. Marchbein, M.D. FACOG, FACS
Great Neck, New York

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