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Re: Amnioscentesis [sic.]From: ATB28@aol.comSun May 12 19:51:35 1996
In a message dated 96-05-09 19:09:44 EDT, you write:
>1 in 200 is correct for amniocentesis in the 15. to 17. week of pregnancy, Actually, an attributable risk for fetal loss of 1/200 above the background risk for losses in those patients of similar history not undergoing the procedure, is the published and generally quoted risk for most practitioners. Those few centers having considerable "expert"ise (i.e., 1000+ procedures per surgeon per annum) document an attributable risk of 2-3/1000 (ref. Gabbe, et al.) and less. Re: early amnio (11-13 weeks), in our own (published) experience, the risks of loss following ealry amniocentesis are no greater than with amniocentesis performed at the traditional time. However, the incidence of tenting of the membranes in dramatically increased in the early procedures and shojld be anticipated. Allan
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