A little help?! Question for you x

Jem

Hi everyone, been trying to ttc since November 2015.

I'm in my fertile window now so to speak? I had sex with my partner last night and noticed after we had it and I went to to the toilet I had pink blood when I wiped.

Also I know it sounds a bit disgusting but I'm very windy also?

Does anyone know what this means? Or is it just me being stupid?

Thanks xx