the tampon will over no protection against pregnancy but your menstrual cycle most likely will. assuming this is a normal period you are not ovulating so the chance of an unintentional pregnancy is very low.
pregnant with tampon in. my husband and i were messing around and he got come on the outside of my vagina. i'm on my period and had a tampon in. i took a shower immediately washing it away. can i get pregnant even though i had a tampon in?