Hy iam zanele, I Hv a problem wth my periods, on december I had to hv my periods on the 13 bt it ddnt happen I had it on the 10, I dd HPT bt it was negative, on january I went on my periods on the 5, a day after after I had unprocteted sex wth my fience, the periods are light, sometimes becames painful, is it because iam pregnant or am I sick.