This class was designed to help take the pressure of the sciatic nerve due to extra pressure in Pregnancy. The stretches and movements are also excellent for lower back pain and relaxation in your pregnancy. Safe for all trimesters. Always check with your doctor to ensure your sciatica is not from bulging disk, osteoarthritis or other medical reason outside of pregnancy before beginning a yoga practice. Check that prenatal yoga is safe for you! I truly hope you get some relief!