Completely confused 😔

Ok here goes totally confused this month going by my glow app I ovulated on the 1st January then on the 9th and 10th January I have a thick cm with steaks of blood init only when I wiped for about 3/4 times when I went to the toilet and then it went brown cm had loads of symptons ( unless I was just imagine them 😔) I was 5 days late for period and done tests and got BFN i welt to the toilet this morning and wipes and there was pink blood then it went to brown and now nothing I'm so confused could I still be pregnant or isit just the start of my period ??