Re: (4th ectopic/US)

From: Mats Bergstrom (matsb@cor.sos.sll.se)
Fri Oct 3 18:52:21 1997


On Fri, 3 Oct 1997, DuBose, Terry wrote:

>abdominal pregnancies which were missed on endovaginal sonograms, but I
>found the 8 week embryo (measured crown-rump length, BPD, and heart

OK, now I see what you mean. I think the term "abdominal pregnancy" formerly has been reserved for late viable "ectopic babies" but the medical language is evolving and that's fine with me (except that I dislike the current widespread - at least here - use of "missed abortion" for every miscarriage where one happens to look with US a few hours before the patient aborts; in classic terminology this is a second trimester diagnosis only).

But in the present case the arrest in Hcg rise around the 3000 level suggests that there is no fetus to see, the ovum by now probably consisting only of a tiny piece of placenta. And the odds that the reason for not seeing it with vaginal US is the limitations of the method per se, and not that the piece of placenta is far removed from the uterus, is in the range of 100:1.

--
Mats Bergstrom, MD
Ob Gyn
South Hospital
Stockholm




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