27 weeks.. Pain in my lower left stomach?

Morgan
Hello.. I'm 27 weeks pregnant, & the past couple of days i've been feeling this discomfort in my lower left stomach .. It seems to feel worse when i bend over.. It's more discomfort then anything .. It also hurts when i'm trying to flip from side to side in bed .. Baby boy always seems to like being on my left side more .. Just wondering if i should be concerned? Or have other momma's gone thru this?