I need help😩

Soo me and my partner have been ttc for about 5/6 months. My af is normally on time, and lasts around 5 days.

However this month..

I had a light random bleed about 6 days before af due.

Then my af was due sat just gone (3rd) and it didn’t come. I took a test yesterday and got negative. So I thought perhaps wait a couple of days and then il test again. However today all I’ve had is on and off light/brownish bleed.

Now I’m just not sure what to think?

Should I test again? Or go by the negative?

Thanks for your help in advance