Spotting at 4 Weeks!!

So I found out I was pregnant a week ago and my doc put me on progesterone and baby aspirin as I’ve had a miscarriage and a blighted ovum years prior. I had a orgasm due to self pleasure last night and now I woke up and see red spotting when I wipe! I put on a panty liner and so far it’s just when I wipe, but after 2 miscarriages, I’m so worried! I had gotten betas done Friday and the doc said if they levels weren’t up to par, she’ll do a comparison today. I use a pregnancy test every few days and the line is getting darker but I know that means nothing. I’m so devastated!