Chemical pregnancy or period.?

I got fainted positive yesterday and the other day. And i went to clinic and show it to the nurse and said she see it too and looks positive.but didn't confirm yet on blood.And request for blood works then today i sat on the toilet peed. Whule i prepare for the water to wash mine i saw this. What do you think is this? Period or chemical miscarriage? I'm cramping and headache.