Miscarriage???

Update: So everything is fine and it was just implantation bleeding, I was just a little worried because that’s what I do best. Thanks ladies for all of your positive feedback 💙

Idk what’s going on, I’ve been trying for 4 months and finally got pregnant, I had a feeling the day before I tested and sure enough, all three were positive! Well, the day before my period was supposed to start I had a little light brownish spotting and now I have a little more. I go see the doctor tomorrow, but I’m really scared? Has anyone experienced this before