Mine was almost a week early too and I'm on the pill. I tried to research this, and the only answer I found was that sudden weight loss can trigger irregular periods, and that ketosis (which shouldn't be occuring in SB) can cause it. I was afraid that could be it with me, b/c I was eating lots of meat, eggs, and cheese. I ate veggies, but usually just in a salad. So I really increased my veggies to get those good carbs to avoid ketosis. We'll see if this month is normal. It could've just been a p1 think as your body adjusts/detox.
Especially if you're trying to get pregnant, I'd check with your doc/gyno with any further ?'s.
5'8" 26yr old female, 197lbs. on 7/17
3/21: 155 lbs.! 1/24/06: 168lbs.
I am so recommitted to the goal of 150 lbs!!!
size 8- I DID IT New goal: solid size 6 in pants!
No food tastes as good as lean and healthy feels!