From what little I can find on the web, this technique developed by
Charles Poliquin uses 12 skinfold measurements to asses an individuals
hormonal balance -- or lack thereof. I really like to find a book with
more information, but it appears that the only way of getting an in
depth understanding is to go to one of Poliquin's seminars.

Here's the most info I've located:

http://www.t-nation.com/readTopic.do?id=833030