hi

i would like to ask about my mentruation, it will delayed for almost 6 mos or more i dont know whas happening i am no fregnant i used frgnancy teste for assurance 4 that case.im worried coz i fell sometime headache or any painful to my budy just a bit painful,i am 24 year old.my question is


1.wht is it longtime delayed of this menstrual?
2.this case of problem is normal?
3.is this kind of case tht i need to panic?
4.tell me wht to do.



tnx
lem