Why would my abdomen be tightening?

Question

in my lower abdomen it gets tighter sometimes and other times it feels as if its moving and i feel nausea, and breast tenderness, I was just wondering what are the possible things this could mean?

Answer 1

it means ... drum roll please, time to make a doctor appointment!

Answer 2

have u eva had s*x? av u ad ur period at all? u sound very pregnant