Confused.....

Kelley
Hey ladies, I have been apart of glow since January. My husband and I decided to start trying in January. This month, March, I was suppose to start my period on Monday, March 28, I started three days early but it's not consistent with my normal period. I am regular, So I found it odd that I started three days early. The flow is very light, I only use one tampon for the whole day, which TMI is not normal for me. I have mild cramping but not as bad as it usually is. This past week I have been exhausted, bloated, and have had really bad indigestin. I was wondering if this could be implantation bleeding? Has anyone ever experienced implantation bleeding? It has lasted 2 days. Started pink now it's really dark. Any advice fore me?????