I am 23 years old, I had sex after one day of my period and it was unprotected, I had done pregnancy test by pregnant news kit twice one after 1 month n second after 2 months both were negative, its two months and one week now I dint had my periods what should I do now, same had happened before also I went to doctor and taken some pill and it regained again but now I dont have time to go to doctor, what should I do? please help me.