Hmm, I see what you mean. If the combination of
chemicals were to damage the vas inner wall, then
maybe there might be some sperm conveyance problem
perhaps. But would the presence of these chemicals in
the vas have much effect on sperm production in the
testes?

As to DMSO, yes, it is a skin irritant all right. It
seems to be a popular solution for a number of
problems though because it permeates aqueous and
semi-aqueous membranes (the skin for example) and acts
as carrier of other substances (it even has its own
web site: www.dmso.com). One treatment (though not
AMA-approved) for genital and oral herpes includes,
for example, mixing DMSO and hydrogen peroxide or
stabilized liquid oxygen in equal amounts and applying
it via cloth or spray bottle lightly to the base of
the spine or base of the neck (see
http://www.neveranoutbreak.com/html/a_cure_.html) I
can see how after a time, though, the skin may become
itchy and irritated due to DMSO's nature as a solvent.
I suppose then a person would just strop using it
until it went away.

In any case, I suppose clinical trials will bear this
idea out. It's too bad though the poorest of the
world's people (ie, in India) are the first to have to
be trialed-on, but at the same time, they are also
greatly overpopulated and are likely ready to try
nearly anything to reduce the no. of new children
getting born without risking the possibly painful side
effects of a vasectomy.


> Date: Tue, 1 Oct 2002 08:40:59 -0700 (PDT)
> From: Randy Walton <rwalton3@...>
> Subject: Re: Re: University of Ottowa upcoming
> trial?
>
> > Amazing. They are concerned for teratogenicity
> when
> > aspermazoia is found in nearly every man in the
> > studies in India (ie, if men ar eno discharging
> > viable
> > sperm, how is a teratogenic fetus going to get
> > produced anyway?).
>
> It wouldn't be an issue if it were a permanent birth
> control method, but RISUG is designed to be
> reversible. This is probably the trouble they're
> concerned with. Think about how RISUG might be
> used:
>
> 1. Couple gets married. RISUG implanted to prevent
> pregnancy until the couple is ready to have
> children.
>
> 2. Couple decides to have children. RISUG
> dissolved.
>
> 3. Couple done having children. RISUG reimplanted
> every 10 years.
>
> ...so step 2 could be the danger point.
>
> I did wonder about the use of DMSO, and I think I
> read
> that they're actually attributing some of the effect
> to the DMSO and not just to the hydrogel. DMSO does
> have some ill effects. Go to:
>
>
<http://www.scorecard.org/chemical-profiles/summary.tcl?edf_substance_id=67%2d68\
%2d5>
> to see the scorecard.org entry on DMSO.
>
> Randy
>

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