I had unprotected anal last week and noticed light brown discharge on my underwear near the time when my period is due. is this my period?

Most likely is: It most likely is. However, if you are worried about an unplanned pregnancy, get a pregnancy test. A home urine pregnancy test can be done in the privacy and comfort of your home. It is cheap and useful in identifying if you are pregnant or not. Whether you have missed period or unprotected sex or trying to concieve, this is a safe, easy test to perform at home to get the answers you seek