this is very normal when growing up it might happen later or it might of happened but you dont know it yet hope this helps :)
if you mean that you missed one period, and got the rest of them. chances are, you only missed your period due to stress.
Yes. Go to the doctor.
aks a docter
If you're in the first 1-2 years of your period, it's normal. If not, call a doctor.
You can't have a hard belly after one missed period, and it isn't pregnancy. Hard bellies don't come about until the six month.
Perform a pregnancy test. If its negative the missed period may be a "one off" but if it happens again next month see your Doctor.
Missed period can be a sign that your pregnant, you might want to get a pregnancy test. A missed period can be caused by other factors other than pregnancy such as stress, excessive exercising and dieting.
i say ask your doctor but i think yes
If you missed your periods for a month and two weeks, contact a doctor. You could be pregnant or suffering from a medical condition.
Probably around six weeks.