What does it mean when you have a period and you only see blood when you wipe?

Light period: You may be spotting (which can happen near your period due to things like stress, use of Ibuprofen or other meds, etc). You may just be having a light period. Some days during your period may be lighter than others and that is ok. If you are concerned about pregnancy, a lighter than normal period, or spotting, may be an indicator of pregnancy - so take a pregnancy test or see your doctor.