Does the pain come and go? Or is it noticed more when you turn really quickly or move? It definitely could be Round Ligament pain that comes from your uterus stretching.... If it persists I would give the doc a call just to be safe!
Could also be round ligament pain. Your uterus is stretching to accomodate the pregnancy. If it persists, talk to your OB.
you bowels behave differently when you are pregnant it is likely gas. watch for a hot hard or red anywhere... if you have a fever, or uf anything around that are is red or hard see a doctor asap