What Causes Yellowish White Discharge After Taking Naturogest?

Hie i am 33 yrs and have jsut had an ivf cycle ... am waiting for 2wks to get tested.......i have been given Naturogest 300 mg...............4 daily ..the only issue is that every time i use the tablet after some time i get a whitish yellow discharge is this normal or should i visit my doctor right away