Does this sound feasible?
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Paul Black: Well Dr Cabot, how does it work? Sandra Cabot:
Well it works on a very simple principle, that is, the probe
has two metal pieces in it, one gold and one chromium. These
are electrodes; they have a different electrical charge. Now
these electrodes will detect the presence of a very
important protein present in the vagina and cervix of a
woman. Now this particular protein is called uteroglobin,
and according to some professors and research workers, it is
very important for the normal development, transport and
implantation of the fertilised egg. And some of these
doctors go as far as to say that without this protein,
implantation and therefore normal development of the embryo
and child will not occur.
So this device, in particular the probe, picks up the
presence of this very important protein, uteroglobin.
Paul Black: How accurately?
Sandra Cabot: Well it picks it up very accurately, because
the protein strongly changes the electric circuit within
the probe, and this causes a very marked reading on the
colour scale of the little computer, which is seen visually
by the woman.
Paul Black: Can she get an electric shock from it?
Sandra Cabot: No, no, it's a very tiny current. You can
put your finger on there and test it, and you can't
feel a thing.
Paul Black: Sure, I'll put my finger on there now. No, I
can't feel anything at all. And that's the actual current
that runs through the vagina?
Sandra Cabot: Yes, it's a tiny current, and it's amplified
greatly in the computer itself to enable the needle to move
on the scale, otherwise it would be invisible.