GOING OFF BIRTH CONTROL????????

So i went off birth control in august and had my period august the 9, then i supposed to have started my period on September and i didn’t get a period for that month till October the 2nd. Now my period had to start nov 1st and it didn’t so now im 28 days late😩😩 is this normal after stopping birth control? Because im currently ttc and i need my period to regulate in order to ovulate😭😭😭😭

Ps all my pregnancy test are negative💔