Weird changes that I can’t understand

So I have to veins in my breast that i have never noticed before I have been feeling very sick for the past week🤮 and have spotting which has happened three times in two days my period isn’t due for another two days but I haven’t felt like this before and thought I would come to this app to see if anyone on here has any ideas of what it could be I don’t really have people to go to see hopefully I get some replies