Get Pain In My Left Side And Back While Pregnant Pictures . You might need medical help. Back pain is very common in pregnancy. Pain on right middle side of back? Gallbladder? - BabyCenter from imageserve.babycenter.com However, it most commonly occurs later in pregnancy as the prevalence varies with reports showing between 50 to 70 percent of pregnant women experiencing back pain. Some pregnancy pains are nbd (like most low belly pain) while others you should bring up to your doctor. I'm pregnant and i have pain in my lower left side. What are the causes of back pain in pregnant women? When you're pregnant, it's only natural to assume you'll experience some unusual aches and pains, especially around your growing belly. All day ive been having pains in my left side up into my left backside shoulder dint no what this is it comes and goes i do have gerd and bursitis in m...