Just a quick update.
I did manage to get Jessi pregnant, without the use of IVF!
The results aren't perfect, but as I was having problems downloading Vicki (am in the UK, and it wasn't accepting my address) I decided to have a go at Jessi.
I managed to get a passable bump in the right place using the deform tools - the only drawback is there is a seam between the lower abdomen and hip areas.

It does it's job though, and the image will form part of my web-site's header shortly.
In the meantime, I've jsut got some help from tech support and they've sorted the address thing, so I will be able to play with Vicky after all.