Hi, I Am Veda And 25 Years Old.from Past One

Hi,

I am Veda and 25 years old.from past one month i m facing so many health issues like left side(little bit left side) mild chest pain,left side head ache and back pain and frequent cough n cold and not getting periods also regularly.are this all symptoms for any dangerous decease.

Please let me know.please suggest me which doctor i have to consult