Who got negative on 7 dpo and later on positive?

faith

I took test yesterday (7dpo) and it was negative. I used opk this cycle and even last cycle. This cycle Got my peak around cd 15 and ovulated on cd 16 probably and in last cycle i got my peak cd 18 and probably ovulated on cd 19 . My period kind of messed up after miscarriage. Before miscarriage it was 30 to 32 average length and afTer miscarriage its 34 days length i guess. I had miscarriage june alond 9 weeks . This is my 2nd month trying after miscarriage but i am losing hope. It made me cry today 😞