Worried... Need advice

Meredith • Mother to my rainbow baby girl 10/21/16 and 1 on the way due 1/4/19 🌈🌈
I also posted this in the "faint lines" board.
Hi ladies... I know some many of you have been in similar situations so I am looking for advice. On 9/17 (Thursday) at 13dpo I got this vvvvf line with fmu:
Since this test, lines haven't darkened, even with fmu. AF was "due" on 9/18 (yesterday) but I'm not sure how accurate that prediction is because this is my first cycle coming off BC. Regardless, I haven't had any bleeding or spotting in over a month now. I tracked my ovulation with OPKs and have been temping as well... BBT has been above cover line
Let's see what else... I have the classic "I think I'm pregnant" symptoms including sore/tingly breasts and nipples, fatigue, some bowel changes, some quick sharp pains down there (not cramps), some dizziness. Also over the past couple of days I have been peeing more and it burns a little. I have been pregnant once before (early MC) and my first symptoms then were sore breasts and bloating. 
Finally, I took an EPT digital just now at 7pm (dumb, I know) and it read "not pregnant." That was pretty devastating. Anyway - sorry for long post but please weigh in if you can. Thanks in advance!