opk question

[jeanniepresto]

ok i took 7 opk riteaid brand i have been doing the 14days thing and it hasnt worked for me for months so this month i got the opk's and i started testing on day 8 of my cycle ...... i only bleed for like 2 days so the first days there was a line but neg then two days later only half of the second line was darker then the control line and it was like that for two days then went back to light pink so was that my +.....? dont have anymore test so havent test anymore....n i had a m/c feb.3 of this yr