Talk to Gynecologist on Periods

i am married before 4 month meri problem ye hy k 2 months sy mujhy periods thek sy nahi horahy last month 26 sep ko bhi sirf 2 days hoey pr jb bleeding nahi sy hoi thi ..or 7oct ko dobara ho gaey only 2 days ..ab mujhy 26 Oct ko periods hony thy pr 29 Oct ko hoey sirf white discharge k sath brownish spoting hoi ..kindly btaden aesa QN horaha hy kia ye pregnancy hy?