Do i still have hope!! Im soo worried!!

2 other apps I download said my period is suppose to start on the 19th glow said on the 17th I got a positive ovulation test on the 3of November I got my af on October 22-28 I was taken fertility pills because I haven't had a af since this pass June so I waz happy then ever to get my af last month I'm 15dpo went to to my doctors app it was negative so I orderd some hpt with the sensitivity of 10mul so I hope I have a good chance still have headaches still have indigestion now I'm sleeping more nd had little cramps yesterday....here's Wut my dates are I had sex on the 4th & 6th Do I still have hope???? ??