Is it safe to masterbait while pregnant tmi!!

Lauren • Ttc 1 month, baby #1 due June 2019 🤰🏻

Hey guys so I am early on in pregnancy I am only about 5 weeks I actually just masterbaited I don’t put anything in there when I masterbait I just rub my clit until I get an orgasm. After I did I went to the bathroom and wiped and I was bleeding a bit. I am not cramping at all. Could this be a sign of a miscarriage??