OPKs not getting darker

J

Last time I tracked OPKs I got a positive at CD 12. Then I got pregnant so didn’t track again until I just got my period back at 6 months pp. Now they’re just barely getting darker? Wondering if I will even ovulate this cycle 😩 my periods are usually 7 days long and this first period since giving birth was only 3 days. My usual cycle before getting pregnant was average 27 days long