m single 23 yrs old girl ,5ft 3 inchs ,58kg.i am a medical student, i have no history of any serious illnes,just had menstrual irregularity last 2 mnths,had period twice a mnth but thats may be due to stress.. thing bothering me is hypopigmented spots and few hyperpigmented spots and itching on mons pubis..is it something to be worrid about?