Help please

Could I still be in or am I out I'm so disappointed...I'm 5 days late I'm always regular at Cycle day 27 I'm now at cycle day 32 and still no af took a home pregnancy test came back VFL went to the doctor and had a negative urine sample..Dr refused to do blood until I'm a month late.. Anyone have anything similar happen? What was the out come of your story's! I'm 16 days after ovulation tested positive! I don't know what to believe!