Re: Norplant Failures

From: Richard Chudacoff, MD (richardc@bcm.tmc.edu)
Fri Aug 30 09:55:59 1996


Don't think twins are the question, since it was probably a random, or inherited event (family history of DI/DI?) I do remember that the women who are most likely to fail on norplant are the women who have regular cyclic menses, which your brief desription suggested. Double bummer of a failure, though.

>I have a 37 year old patient who has had Norplant for 3 and a half years.
>She noted breast tenderness, then missed her expected period. A uhCG was
>positive, and the exam consistent with dates. Transvaginal sonogram
>showed twin gestations, clearly in separate sacs. The published failure
>rate for Norplant is 2 per thousand per year, and when adjusted for
>weight (this patient is 125 lbs) perhaps slightly lower. Altough that use
>of Norplant has dropped significantly in our practice, I cannot remember
>a failure in the past five years. The presence of twins seems to be
>incredibly rare. I just performed a Medline search and cannot find any
>mention of twins.
>
>I have contacted the FDA, mostly at the patient's request, as she is
>concerned about the possibility of a bad batch of Norplant-fortunately we
>have always recorded the lot numbers. I am waiting for follow up from the
>FDA.
>
>Has anyone seen twins as a result result of Norplant failure?
>
>Paul D. Burstein, M.D. FACOG
>Clinical Associate Professor
>Department of Obstetrics & Gynecology
>University of Wisconsin
>Milwaukee Clinical Campus
>

--

Richard Chudacoff, MD Asst. Clinical Professor, OB/GYN Baylor College of Medicine

Baylor MedCare 1601 Main, STE 505 Richmond, TX tel 713-344-0277 fax 713-344-0288

The knowledge of the world is only to be acquired in the world, and not in a closet.

Lord Chesterfield





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