Okay ladies, I'm wondering if anyone has experienced the same thing as me. I started my "period" on march 19th, it was mostly brown and black blood. Heavy at first then extremely light and only lasted 3 days (march 21st) I usually go 6. Then on April 3rd, I started to spot. A tan color, and then it got a darker brown. And it stopped after 12 hours. I tested today, and it was negative but I was told that it could be implantion bleeding and to test again in a few days. Anyone have something like this happen?