Well the only way to be 100% sure is to test if you miss your period, but from what it sounds like you have started your period.
Thank you, this really helps. I just wanted to make sure if I am pregnant or not. Thanks
It can take 6-12 days for a fertilized egg to implant, it doesn't coincide with AF because you ovulate 14 days BEFORE your period. SO for instance if you have a 28 day cycle, you'll ovulate on day 14, and if you got pregnant 6-12 days later ranges from day 20 to day 26.
Implantation bleeding doesn't happen as often as you would think. It's actually supposed to be spotting, not bleeding like a period. You can have bleeding in early pregnancy, but if you/whoever your asking about is pregnant and is having bleeding it's best to get checked by a doctor. And always best to wait until at least the day AF is due to test, because beforehand you may get a false result. After the 6-12 days for implantation it can take another 24-48 hours for the hormone level to be high enough to be detected by a pregnancy test.