Picture posting is enabled for all :)
Whats is that you are drinking pg? :o
I've heard the thing about oestrogen as well, but I take it with a pinch of salt.
My daughter, who is a long distance cyclist rather than a gardener, but is faced with a similar problem of having to pee at the side of the road sometimes, recommends a device called a "SheWee" http://www.shewee.com/newstore/