Help can't get it out my mind?

had a period last month near the begining around the 5th through the 15th me nor my fiance remember me having one dis month i took two cheap cvs brand test and both were a very faint negative so i had plans to go to the doctor today but getting ready i notice some creamy white fluid and a weird feeling in my lower stomach.. my question is should i wait till next month or if i don't see any bleeding should i still go and get a test at the doctor..