Brownish and Pink Spotting During My Period?

I took 3 pregnancy test. All distrustful. But the spotting continues. Did I pinch the test too precipitate? could I be pregnant? I consistency conventional. (minor cramps, no nausea, no headache, fatigue or enhightend senses)
Answers:

Do you ever read the "Similar Ouestions" offerd by Yahoo first?

This sometimes happen if you vary medication, especially birth control pills...if you did that only just, afterwards that is to say probably your answer...but you should ask a doctor or nurse to be sure.

My ribcage is messed.?

Probably everyday. Wait. If you miss your length, you could be pregnant, but you're most promising not.