I haven't had my period in 7 months?

I understand you might be feeling worried but best thing to do is go to your gp and telling them or a practise nurse if your dr is a man, it wont affect you concieving in the future but it is important you speak to someone professional. So they can do the right sort of tests ect, i am in the opposite boat to you my period wont STOP :'( want to trade places? lol best of luck

-Second time-

You really need to go into a doctor. I noticed someone post about stress, that is possible but very unlikely. Your not underweight based on your height and weight. I believe that if you are on birth control it is possible that your period has stopped or lightened. It is also possible that your body thinks your pregnant when your not. At 17 your hormones are beginning to balance out. If you are nervous about going into a doctor you can call a nurse hotline first; usually you can find a number for the hotline on the back of your health insurance card. But, you really need to talk to someone about this.

Go see a doctor, if it keeps up it could cause damage. It's normal for your periods to be jacked up til your 20s, and stress and change of diet or weight can effect your periods. I suggest to see a doctor

i would just make an appointment with your local healthe department and have an exam done. it could be a number of things. Probably nothing serious but i wouldnt just let it go.

Many women who are stressed, may skip their period. Eating healthy is important also.