It is completely normal to skip periods within the first couple years of starting. It can take a while until they become regular. If you haven't been sexually active then I wouldn't worry about it too much but your mom can always take you to your gynecologist just to verify everything is normal and healthy.
Also, stress can cause our periods to mess up & skip.
your periods probably just have not regulated yet. how old are you?
No, I'm not sexually active...wayy too young for that.
first question is have you been sexually active? When I first got my period I dont remember ever skipping one. If you are active you should get a hpt