Help please?

Léo
Hey, 
I don't know if I'm in  he right group, sorry if I'm not. I'm new to this. I was supposed to start my AF Thursday gone, but nothing. Took a clear blue pregnancy test Friday and it was negative. Yesterday it had brown spotting and now nothing just a stringy see through with bit of white discharge...could anyone help me and tell me what this could be please? Thank you ladies xx