One day before expected period at least according to the app neg ptest do you think I'm out or do I still have a chance?

Britney • I'm a happily married to the love of my life and I'm a 27 year old who is graduating university soon this year and is hoping to start having some beautiful babies soon! We have had one pregnancy and miscarriage at 7 weeks so far hoping for a rainbow baby
No sign of af yet my boobs are always very sore for about a week and half berore my period and they are soft and very full right now and not sore at all I've been super exhausted falling asleep in my chair watching TV at night lol very sore back and I had some stretching pulling pains for about four days in my ovary area a little while ago I also have had tons of slippery cm since ovulation where I usually dry up do you think I still have a good chance? When do people usually get positives? (weve been trying for almost nine months now btw)