Im 19. I Just Looked Into The Mirror And I

Im 19. I just looked into the mirror and i had lease green almost teal color veins running through my boobs and up my chest to my shoulders. I look at my boobs almost every day so this is not normal. My boobs have been very sore even to slightest touches the past week. A week ago i got my nexplanon implant taken out. Am i pregnant or is this a side affect