Hi doctor From 5 months onwards I am not getting periods why is there any problem will be means it will happen like that or anything else or it's common if blood is not there why because from 5 months onwards no periods I am 19 years old unmarried and I did not done any mistake also checked HCG test but result is negative so what the problem would be can you guess and tell me last month I got period but very very less bleed for only 2 minutes that's all past also I used to get periods regularly but some times I use to get for 2 months like not monthly monthly but now 5 months still periods did not get why what's the problem would be.