Please help immediately- Pregnant?!

[ohheythere]

I had sex with my boyfriend last night, and we used a condom and he pulled out with the condom on prior to ejaculation. The condom had not broken. We then had oral sex and, as he moved, a drop of *** fell on the outside of my vagina; I believe some may have went in, but I am not positive. Therefore, I took Plan B- both pills at the same time- about 15 hours later. The only problem is that I am also on antibiotics- isoniazid, or INH, which is supposed to decrease the effectiveness of a birth control pill. I am not sure about its effects on Plan B, however. My period started on January 25th and ended around February 1st. Then, on February 16th, I spotted dark brown blood for approximately three days, and then on February 26th, when I would wipe, I saw tiny spots of light pink blood. Ever since, I have been bleeding dark brown blood. It has gotten heavy and covered an entire tampon and is heavier than spotting, and although I have seen red and pink blood, the majority is strictly dark brown blood. Since this was around the time my period was due, I am not sure if this counts as my period. My boobs were sore before this bleeding, but are no longer tender. What are the chances that I could be pregnant? Please help.

[kai0912]

Hunny u really didnt even have to takr the plan b pill if its true that "some fell on the outside of your vagina" chances of you getting pregnant from that are slim to none....and if he was wearing a condom and it had not broken and him pulling out before ejaculation chances once again are slim to none.... Your cycle can sometimes be altered by stress and if you are thinking you are or could be pregnant you may be tricking you body into doing something that is out of the ordinary... Just relax but if you are still really concerned it wont hurt for you to go to a doctor and get checked out. Good luck

[ohheythere]

Sorry! By last night, I meant February 4th.