Scared please help , I can’t sleep .

Michelle

I’m not even sure when I ovulated but the times I had sex was Jan 30 and Jan 31 . I’ve been having symptoms and sore breasts . I wasn’t keeping track on how many dpo I am but I do know that my last period was Jan 15 . I had a miscarriage December 11 and ever since my cycle is just different. Is this a faint positive? I took out a new test that’s un used to see if it’s just my eyes playing tricks with an indent line but the test I took has a blue hue . Lmk please