Not sure what to do next

I am on birth control but missed 1 pill recently so I had to take 2 in one day. I am now 2 days late and have been FREAKING out about the possibility being pregnant since I already have a 13m old.

White background: I took a test on Thursday. Thought I saw a faint line so I took one the next day.

Friday comes and I had some bleeding. I thought it was my period, but it only happened once and it was very light.

Blue background: Friday, didn’t see anything

Digital test: this morning. Took it as soon as I woke up.

I am just not sure what is going on with my period. I think all the stress about it could be affecting it. It’s all I’ve been thinking about all week