Could Delayed Periods, White Discharge, And Painful Cramps After Taking An I-pill Be A Cause For Concern?

Hello doc, We had unprotected sex on oct 29 [ she was expecting her periods few days after] for safer side tool ipill she got her periods on 1day after her due date. Now her date is to be expected on December 4 but from last 2 days shes experiencing white discharge and cramp ( very painful) Is there anything to be worried doctor?