I'm 18 and I am taking Nortel birth control. I just started taking birth control and I just finished a pack yesterday. Today is Sunday, November 7, 2010. I started a new pack today and I take my pill at 7pm each night. My boyfriend ejaculated in me for the first time today in the afternoon. I thought I ended my period Friday because there was no blood Saturday, but just now (7:48 pm), I noticed some blood. It appears to be a light flow of period. Will I get pregnant?