Hi Doctor Pls Help Me.. I Had Unprotected Sex With

Hi Doctor pls help me.. i had unprotected sex with my partner on 25th and 26th of January.. and took ipill within 22hours.. i had period on 1st January last month.. and we intimated just before 6 days of my due date. 1day after taking ipill i noticed brown vaginal discharge. bt white discharge was also there.. can there be a chance of pregnancy? what should i do now pls sugggest me