I had bleeding after sex (I am female). It has been less but I am worried. It has been about a week. Is there a possibilty of being pregnant? (I had protected sex) I am also about to have my preiod at this time but still nothing

No protected sex is 100% effective. And if the bleeding was directly after the sex it could mean you have had a reaction to the protection you used. If your period is late get a home pregnancy test, or even better yet go see you gynecologist. Discuss your concerns. Don't be shy, they have seen and heard much more than what you have to say.