I missed my period, I'm exactly one week late, 3 days ago I took a pregnancy test said no, later that day I looked at it and there were two lines, meaning it said yes, the next day I took one and it said no. today I thought I had started my period. A piece of tissue kind of looked like meat came out and now I'm barley bleeding, and not very much pain, what could this be? A miscarriage?

It could be a false reading. If you are concerned make an appointment with your ob/gyn.

"We" are only guessing.

It could be a false reading. If you are concerned make an appointment with your ob/gyn.

"We" are only guessing.

Sorry, left some info out, I had taken two, one in the morning and one at night, the one in the morning I didn't see until about 5 hours later, the 2nd one I took came out positive like 20 to 30 min. later.