I had unprotected sex several months ago. lately i have had a period like bloody discharge only lasting 2-3 days. could this be a sign i am pregnant?

Maybe or maybe not: A woman can take an over-the-counter urine pregnancy test 1 to 2 weeks after ovulation, and should get a positive result if pregnant. If the result is negative, a repeat test can be done 1 week later. The tests are very accurate. If her only recent sexual encounter was several months ago, she should already have other symptoms of pregnancy (however, doing a urine test can check to be sure).