Hi, I have pcos and I had regular periods since August I have nt had my periods, I had my first sex in early August. I did bled in sept for a day it was more of a spotting, plus getting cramps and backache. Plus on the 18th oct as well just spotting. I am confused what to do, I have taken a pregnancy it was negative. I am not taking anything for my pcos because doctors said if your periods are regular so its OK. Guys help me what shall I do. I recently seen a gyni by end of aug and I was having a regularly periods and now all of a sudden nt getting anything. What's happeni?:(