It is common for pregnant women to experience occasional pain in one side of the gluteal region. This can be due to changes in hormones, increased pressure on the pelvic area, or stretching of ligaments. However, if the pain is severe, persistent, or accompanied by other symptoms such as bleeding or fever, it is important to consult a healthcare provider. To alleviate discomfort, try practicing good posture, using a pregnancy pillow for support while sleeping, and doing gentle stretches and exercises recommended by your healthcare provider.