Count the number of days from the beginning of one period to the beginning of the next. If you do that for a couple months you can find an average. It may be longer or shorter than 28 or 30 days.
The Menstural cycle makes it possible for a women to have a child
answer: maybe!
demons
Stress can disrupt your mentrual cycle, yes.
the whole female reproductive system
yes taking reperidone may cause mentrual cycle to stop
how can relate mentrual cycle of female and semen production and males ability to reproduse
You could just have a shorter cycle. Some women have a long cycle(over 28days) and some have shorter ones.
The four phases of the mentrual cyle are the follicular phase, ovulation, luteal phase, and mentruation
It is perhaps slightly shorter than many but is it not unusual nor can it be called abnormal.
Having a 60 day menstrual cycle can be "your normal", assuming you mean the entire cycle, not just the menstrating portion. To be sure, you should consult you OB/GYN.
It should be every 28 days some are irregular so you can go months without them but on average every 28days