Ok, I figured I would ask this for my g/f, seen how she not really into asking for help. Here's the thing, she told me she hasn't had her period since May of this year, and I am 99% positive she isn't pregnant because we haven't had sex *yet ;) * I say 99 because I would like to think she didn't cheat on me, but there is always a 1% of that, even though I am more than certain she DID NOT CHEAT. But anyway, she doesn't have health insurance or anything, so she can't really go see a doctor, what prices being for doctor visits and all, but anyway, I was just wondering if anyone had an idea (especially the women) what this might be?

Is she stressed? Has she lost or gained weight/ is under or overweight? Does she suffer form an eating disorder? Is she very athletic?

These are some causes of anemorrhea (the absence of at least three consecutive periods)

You should try to get her to go to a doctors if you can.

Ok, I figured I would ask this for my g/f, seen how she not really into asking for help. Here's the thing, she told me she hasn't had her period since May of this year, and I am 99% positive she isn't pregnant because we havn't had sex *yet ;) * I say 99 because I would like to think she didn't cheat on me, but there is always a 1% of that, even though I am more than certain she DID NOT CHEAT. But anyway, she doesn't have health insurance or anything, so she can't really go see a doctor, what prices being for doctor visits and all, but anyway, I was just wondering if anyone had an idea (especially the women) what this might be??
Give it a little more time... proven fact us woman can skip ovulation cycles... stress can cause this as well as many other factors. If she hasn't started by next month then contact the local clinic because she should get tested for pregnancy... not saying she cheated but they will have to test before they treat. And when it says negative they will check other options. Could be hormones or anything. I just went through this two mnths ago...