On Sun, 8 Sep 1996, Ruth Livingstone wrote:
>
> A patient recently asked me what the failure rate of Depo Provera
> ? any Doc in this group has had a patient fall pregnant while using
Depo-provera?
> (Given the right dose at the right time, of course).
>
> Ruth
>
About 1 patient among 50 users, not all of whom continued > 2 injections.
This was in relation to the FIRST injection; I have not had a pregnancy
among established long term users.
The failure rate is similar to the pill, but actually is lower because
there are no omitted doses etc. Amazingly, Canada is about the only
Western Country without contraceptive approval for the drug, so less of it
is used here than elsewhere.
Mark Joyce
Calgary
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