Implantation bleeding... Help

Rachel
I know spotting and implantation bleeding is normal during break your first trimester. I know this... But my first pregnancy ended in a miscarriage and the only sign was bleeding. The docs said it was just sporting/implantation bleeding until the color changed from brown to bright red. I kept telling them something didn't seem right... They didn't listen, not that there was anything they could've done anyways. But here's my issue, I'm pregnant again. Found out About 3 days ago. Two rounds of blood work done to make sure my hormone levels are doubling. Just used the bathroom and I'm spotting. Only when I wipe, nothing in my undies. Light brown, not heavy at all. I'm scared and nervous because of how the last time turned out. Help.