Missed pills strange bleeds

Hi all, 

I missed a few pills in my last pack of Pills 

when I was due my break I had a strange bleed 

didn't fill a liner was brownish and very light last 3 days all tests are negaitive 

now 13 days after the begining of my strange bleed I am now bleeding again more period type,  did ovulation test and test line was faint 

what is going on 😖