What it is
Pregnancy-related sciatica, characterized by a distinct radiating pain from the lower back down the leg, is a common experience for many during the later stages of pregnancy. This sensation typically follows the path of the sciatic nerve, which runs from your lower back, through your hips and buttocks, and down each leg.
As your pregnancy progresses, your body undergoes significant changes. The growing uterus can place direct pressure on the sciatic nerve. Additionally, the hormone relaxin, which helps loosen ligaments and joints in preparation for birth, can contribute to disc and joint changes, leading to increased laxity. These combined factors can irritate the sciatic nerve, resulting in the characteristic pain.
It's worth noting that while often called sciatica, this pain can sometimes be confused with other conditions like pelvic girdle pain or piriformis syndrome. These conditions can present with similar discomforts around the pelvis and hips. Consulting with a pregnancy-trained provider, such as a pelvic floor physical therapist, can be incredibly helpful in differentiating the exact source of your discomfort and guiding you toward appropriate support. Understanding the specific cause allows for more targeted and effective relief, helping you feel more clear about your body's signals.

