There could be several reasons.
You may be male.
You may be too young.
You may be pregnant.
You may be too old.
You may be ill.
after Jurrasic period it is the Cretaceous period
you are on your period
1st period -Formative Period 2nd period-International Period 3rd period -National Period 4th period -World Music Period
The period after the Devonian Period (416 to 359.2Ma) is the Carboniferous Period (359.2 to 299Ma).
There are many famous periods in Japanese History. * Edo Period * Meiji Period * Jomon Period * Yayoi Period * Kofun Period * Nara Period
early period
The Federal period
I am due my period. Can you have a sigmoidoscopy with a period?
Qualifying period, Probation period. Trial period.
shot
The oldest period is the Triassic period.
the period is teritary the period after dinosaurs