Possible Miscarriage

I'm 5 weeks pregnant with my second child and I started bleeding yesterday. I went in for an ultrasound and bloodwork and the doctor said everything seemed okay. I have to go back on Monday for more bloodwork to make sure my levels are going up and not down. I'm still bleeding today and I have passed some strange looking discharge (TMI: It was pink and almost looked like very small chunks) as well as a blood clot. Has anybody had this happen? What was your outcome? I'm a wreck and waiting on Monday feels like an eternity.