Hi, I am experience the same situation like yours now. Eager to know what happened to you then.
from the sounds of things girls you both had early miscarriages I have been there many times before. you just miscarry before you know your pregnant. don't worry it will continue for about a week and then you will have your period a bit off from normal.
Hopefully this will help:
I'm a lesbian, and my girlfriend and I for months were consistently two weeks apart and can't seem to sync up, (which is unusual). Anyway, there's no chance in hell I'm pregnant, but I had mine about a week late around new year's, at which point my gf had hers, two weeks early; she had just had hers the week before Christmas. And this wasn't a progression, it happened out of the blue. For months it was one of us every two weeks, then this craziness hassened. Now less than two weeks since then, I started mine again today, not even two weeks since the last one ended on the 3rd. it's NEVER been this early in my life. In fact, it's usually every 30-32 days instead of 28, but that still was consistent until today.
I know it's too late for that input, but for anyone else who's asking, it doesn't seem to be a solid clue that you're prego, from my experience, because I can't be. :)