HSG procedure

I want to know of any one of you ladies had a HSG procedure done. If so did you have cervical mucus a few days before your period as a result of the procedure? The reason I'm asking is because I got this done two weeks ago. My period is due in a few days and this morning I had mucus. I never had this before and called the dr to make sure this was notmal. The receptionist told me it was but I still don't buy it. Can anyone tell me