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Re: 20 week ultrasound.

From: Garry Siegel, MD (anonymous@obgyn.net)
Mon, 8 Apr 2002 20:18:31 -0500 (CDT)


At Mon, 8 Apr 2002, anonymous@obgyn.net wrote: >
>I have always measured few days short of the expected "length of
>pregnancy" which is primarily based on the LMP. My obgyn and I feel
>that this is because my ovulation had happened little later than 14
>days.
>
>Now, I have scheduled my mid-term ultrasound at exactly 20 weeks from
>LMP. I am worried that because I won't measure exactly 20 weeks, it
>might be too early for an u/s and the doc may miss few detections/signs,
>which are probably visible only after 20 weeks. The reason I am so
>concerned is because I am going to a perinatologist for the u/s who is
>different from my obgyn.
>
>Should I try to reschedule my appt for a leter time? What is teh correct
>time for this u/s? Any advise would help.
>
>Thanks.

A few days on either side of 20 weeks shouldn't matter in terms of the ability of the scan to see stuff.

Did you have a first trimester scan, and did it agree (within around 5 days) with your LMP EDD? If so, then the EDD stands based on your period.

Garry

--
Garry E. Siegel, M.D., F.A.C.O.G.
Roswell, GA
Private Practice

No private emails. Interaction via the internet does not constitute a patient-physician relationship.




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