Definitely detox (AND Iodine does do something to the hormonal balance, Wombat, fer sure)
When I was vegetarian, my period was super light, a day and a half usually. Any month I ate meat it was heavier.
Viktoras Kulvinkas, the guy who wrote Survival Into The 20th Century, says that healthy women should only have a clear discharge, like the rest of the animal kingdom. But he's kind of crazy. In a good way. He rocked my world when I was 18.