White discharge 7 days after the IUI means next period

Patient: Hi, I did my first IUI in last Wednesday and today is my 7 day after the IUI. My doctor prescribed me duphaston for 14 days and i am getting it.I’m having a white discharge today. I’m afraid whether this means that i am going to get my periods in next week?

Symptoms: Day before yesterday had a lower belly pain in my left side